Title	Documents
[COPY] [CORRESPONDENCE FROM JERRY F. DUGGAN TO BRIGADIER GENERAL COLLINS REGARDING THIS OFFICE DOES NOT HAVE A MISSOURI STATE FLAG]	20183014MN001541.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR SAM C. FORD REGARDING NEW RAINBOW DIVISION]	20183014MN001542.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR SAM C. FORD REGARDING LEND US YOUR STATE COLORS]	20183014MN001543.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO LIEUTENANT COLONEL S.H. MITCHELL REGARDING MONTANA FLAG]	20183014MN001544.pdf ±50
[COPY] [CORRESPONDENCE FROM GOVERNOR SAM C. FORD TO BRIGADIER GENERAL HARRY J. COLLINS REGARDING MONTANA STATE FLAG SENT]	20183014MN001545.pdf ±50
[COPY] [CORRESPONDENCE FROM LIEUTENANT COLONEL JAMES D. TANNER TO RAY E. CRONAN REGARDING NEBRASKA STATE FLAG]	20183014MN001546.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR DWIGHT GRISWOLD REGARDING LEND US YOUR STATE COLORS]	20183014MN001547.pdf ±50
[COPY] [CORRESPONDENCE FROM H.G. GREENAMYRE TO BRIGADIER GENERAL HARRY J. COLLINS REGARDING LENDING OF THE STATE COLORS]	20183014MN001548.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO MAJOR H.R. TURNER REGARDING NEBRASKA FLAG LENT TO US]	20183014MN001549.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO MAJOR H.R. TURNER REGARDING REGRET THAT THE FLAG HAS NOT REACHED YOU]	20183014MN001550.pdf ±50
[COPY] [CORRESPONDENCE FROM MAJOR H.R. TURNER TO BRIGADIER GENERAL HARRY J. COLLINS REGARDING STATE FLAG OF NEBRASKA]	20183014MN001551.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR E.P. CARVILLE REGARDING NEW RAINBOW DIVISION]	20183014MN001552.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR E.P. CARVILLE REGARDING LOAN OF NEVADA STATE FLAG]	20183014MN001553.pdf ±50
[COPY] [CORRESPONDENCE FROM GOVERNOR E.P. CARVILLE TO BRIGADIER GENERAL HARRY J. COLLINS REGARDING RECENTLY SENT STATE FLAG]	20183014MN001554.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR E.P. CARVILLE REGARDING FLAG OF THE STATE OF NEVADA]	20183014MN001555.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR E.P. CARVILLE REGARDING RETURNING NEVADA STATE FLAG]	20183014MN001556.pdf ±50
[COPY] [CORRESPONDENCE FROM ROBERT A. ALLEN TO BRIGADIER GENERAL HARRY J. COLLINS REGARDING RETURN TO YOU THE FLAG]	20183014MN001557.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR ROBERT O. BLOOD REGARDING NEW RAINBOW DIVISION]	20183014MN001558.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR ROBERT O. BLOOD REGARDING REQUEST FOR NEW HAMPSHIRE STATE FLAG]	20183014MN001559.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR ROBERT O. BLOOD REGARDING FLAG OF THE STATE OF NEW HAMPSHIRE]	20183014MN001560.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR ROBERT O. BLOOD REGARDING RETURNING NEW HAMPSHIRE STATE FLAG]	20183014MN001561.pdf ±50
[COPY] [CORRESPONDENCE FROM ROBERT O. BLOOD TO BRIGADIER GENERAL HARRY J. COLLINS REGARDING UNABLE TO COMPLY WITH YOUR REQUEST]	20183014MN001562.pdf ±50
[COPY] [CORRESPONDENCE FROM FIRST LIEUTENANT DANIEL M. ANDREWS TO MR. ANDREW M. HEATH REGARDING OFFER OF NEW HAMPSHIRE STATE FLAG]	20183014MN001563.pdf ±50
[COPY] [CORRESPONDENCE FROM STEWART M. BURNS TO MAJOR GENERAL HARRY J. COLLINS REGARDING SENDING FLAG OF THE STATE OF NEW HAMPSHIRE]	20183014MN001564.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR CHARLES EDISON REGARDING NEW RAINBOW DIVISION]	20183014MN001565.pdf ±50
[COPY] [TELEGRAM FROM BRIGADIER GENERAL JAMES I BOWERS TO BRIGADIER GENERAL HARRY J. COLLINS REGARDING NEW JERSEY STATE FLAG SENT VIA AIR MAIL]	20183014MN001566.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO BRIGADIER GENERAL JAMES I. BOWERS REGARDING FLAG OF NEW JERSEY ARRIVED]	20183014MN001567.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR JOHN J. DEMPSEY REGARDING NEW RAINBOW DIVISION]	20183014MN001568.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR JOHN J. DEMPSEY REGARDING STATE FLAG HAS ARRIVED]	20183014MN001569.pdf ±50
[COPY] [CORRESPONDENCE FROM HARRY J. COLLINS TO GOVERNOR JOHN J. DEMPSEY REGARDING NEW MEXICO STATE FLAG]	20183014MN001570.pdf ±50
[COPY] [CORRESPONDENCE FROM GOVERNOR JOHN J. DEMPSEY TO BRIGADIER GENERAL HARRY J. COLLINS REGARDING KEEPING THEIR STATE FLAG]	20183014MN001571.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR THOMAS E. DEWEY REGARDING NEW RAINBOW DIVISION]	20183014MN001572.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR THOMAS E. DEWEY REGARDING NEW YORK STATE FLAG]	20183014MN001573.pdf ±50
[COPY] [CORRESPONDENCE FROM JAMES C. HAGERTY TO BRIGADIER GENERAL HARRY J. COLLINS REGARDING NO APPROPRIATIONS IN THE STATE BUDGET TO SEND FLAG]	20183014MN001574.pdf ±50
[COPY] [CORRESPONDENCE FROM JAMES C. HAGERTY TO BRIGADIER GENERAL HARRY J. COLLINS REGARDING SENDING STATE FLAG]	20183014MN001575.pdf ±50
[COPY] [CORRESPONDENCE FROM COLONEL WILLARD H. DONNER TO BRIGADIER GENERAL HARRY J. COLLINS REGARDING STATE COLOR WITH POLE AND SPIKE BEING SENT]	20183014MN001576.pdf ±50
[COPY] [CORRESPONDENCE FROM WILLIAM E. O'BRIEN TO LIEUTENANT DANIEL M. ANDREWS REGARDING FLAG OF THE STATE OF NEW YORK ON THE WAY TO CAMP GRUBER]	20183014MN001577.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO BRIGADIER GENERAL AMES T. BROWN REGARDING RETURNING NEW YORK STATE FLAG]	20183014MN001578.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO MR. JAMES C. HAGERTY REGARDING NEW YORK STATE FLAG]	20183014MN001579.pdf ±50
[COPY] [CORRESPONDENCE FROM COLONEL WILLARD H. DONNER TO COMMANDING GENERAL 42ND INFANTRY DIVISION REGARDING RETURNING NEW YORK STATE FLAG]	20183014MN001580.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR J.M. BROUGHTON REGARDING NEW RAINBOW DIVISION]	20183014MN001581.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO BRIGADIER GENERAL J. VAN B. METTS REGARDING NORTH CAROLINA STATE FLAG]	20183014MN001582.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO BRIGADIER GENERAL J. VAN B. METTS REGARDING NORTH CAROLINA STATE FLAG]	20183014MN001583.pdf ±50
[COPY] [CORRESPONDENCE FROM J. MELVILLE BROUGHTON TO GENERAL HARRY J. COLLINS REGARDING RECEIVED NORTH CAROLINA FLAG]	20183014MN001584.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR JOHN MOSES REGARDING NEW RAINBOW DIVISION]	20183014MN001585.pdf ±50
[COPY] [CORRESPONDENCE FROM W.R. SPAULDING TO BRIGADIER GENERAL HARRY J. COLLINS REGARDING ORGANIZATION OF NEW RAINBOW DIVISION]	20183014MN001586.pdf ±50
[COPY] [CORRESPONDENCE FROM W.R. SPAULDING TO MAJOR D.Y. HURWITZ REGARDING OBTAINING A STATE FLAG FOR YOU]	20183014MN001587.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO MR. W.R. SPAULDING REGARDING RETURNING NORTH DAKOTA STATE FLAG]	20183014MN001588.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO BRIGADIER GENERAL HEBER L. EDWARDS REGARDING RETURNING NORTH DAKOTA STATE FLAG]	20183014MN001589.pdf ±50
[COPY] [CORRESPONDENCE FROM COLLINS TO BRIGADIER GENERAL HEBER L. EDWARDS REGARDING FLAG MAULED]	20183014MN001590.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HEBER L. EDWARDS TO BRIGADIER GENERAL HARRY J. COLLINS REGARDING LOAN OF NORTH DAKOTA STATE FLAG]	20183014MN001591.pdf ±50
[COPY] [CORRESPONDENCE FROM COLLINS TO BRIGADIER GENERAL HEBER L. EDWARDS REGARDING FLAG MAULED]	20183014MN001592.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR JOHN W. BRICKER REGARDING LEND YOUR STATE COLORS]	20183014MN001593.pdf ±50
[COPY] [CORRESPONDENCE FROM GOVERNOR JOHN W. BRICKER TO BRIGADIER GENERAL HARRY J. COLLINS REGARDING SHIP YOU A FLAG OF THE STATE OF OHIO]	20183014MN001594.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR JOHN W. BRICKER REGARDING FLAG OF YOUR STATE]	20183014MN001595.pdf ±50
[COPY] [CORRESPONDENCE FROM FIRST LIEUTENANT DANIEL M. ANDREWS TO GOVERNOR JOHN W. BRICKER REGARDING SERIES OF PHOTOGRAPHS OF THE MASSED STATE FLAGS]	20183014MN001596.pdf ±50
[COPY] [CORRESPONDENCE FROM LIEUTENANT COLONEL ROLAND B. LEE TO COMMANDING GENERAL 42ND DIVISION CAMP GRUBER REGARDING REQUESTING OHIO STATE FLAG BE RETURNED]	20183014MN001597.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO LIEUTENANT COLONEL ROLAND B. LEE REGARDING FLAG NOT RETURNED DUE TO PERMISSION FROM GOVERNOR BRICKER TO KEEP FOR CEREMONY]	20183014MN001598.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR ROBERT S. KERR REGARDING NEW RAINBOW DIVISION]	20183014MN001599.pdf ±50
[COPY] [CORRESPONDENCE FROM MILT PHILLIPS TO FIRST LIEUTENANT DANIEL M. ANDREWS REGARDING FORWARDING OKLAHOMA STATE FLAG]	20183014MN001600.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO MILT PHILLIPS REGARDING STATE OF OKLAHOMA FLAG ARRIVED]	20183014MN001601.pdf ±50
[COPY] [CORRESPONDENCE FROM C.S. HARRAH TO BRIGADIER GENERAL HARRY J. COLLINS REGARDING OKLAHOMA STATE FLAG BEING SENT]	20183014MN001602.pdf ±50
[COPY] [CORRESPONDENCE FROM GLADYS LE NOIR TO COMMANDER OF RAINBOW (42ND) DIVISION REGARDING OKLAHOMA STATE FLAG]	20183014MN001603.pdf ±50
[COPY] [CORRESPONDENCE FROM VIRGINIA WEAVER TO COMMANDING OFFICER CAMP GRUBER REGARDING OKLAHOMA FLAG]	20183014MN001604.pdf ±50
[COPY] [CORRESPONDENCE FROM GARLAND A. GODFREY TO MAJOR D.Y. HIERWITZ REGARDING PRESENT YOU WITH A FLAG FROM OKLAHOMA]	20183014MN001605.pdf ±50
[COPY] [CORRESPONDENCE FROM MAJOR GENERAL HARRY J. COLLINS TO MRS. GLADYS LE NOIR REGARDING FLAG OF THE STATE OF OKLAHOMA]	20183014MN001606.pdf ±50
[COPY] [CORRESPONDENCE FROM A.V. TODD TO LIEUTENANT D.M. ANDREWS REGARDING ATTACHED CLIPPING FROM TULSA WORLD]	20183014MN001607.pdf ±50
[COPY] [MEMORANDUM FROM JOHN C.F. TILLSON, III TO HEADQUARTERS, 42ND INFANTRY DIVISION REGARDING OKLAHOMA STATE FLAG]	20183014MN001608.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR EARL SNELL REGARDING NEW RAINBOW DIVISION]	20183014MN001609.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR EARL SNELL REGARDING LEND YOUR STATE COLORS]	20183014MN001610.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR EARL SNELL REGARDING FLAG OF THE STATE OF OREGON]	20183014MN001611.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR EARL SNELL REGARDING RETURNING OREGON STATE FLAG]	20183014MN001612.pdf ±50
[COPY] [CORRESPONDENCE FROM GOVERNOR EARL SNELL TO BRIGADIER GENERAL HARRY J. COLLINS REGARDING SLIGHTLY SMALLER FLAG TO BE SENT TO YOU]	20183014MN001613.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR EARL SNELL REGARDING PERMISSION TO KEEP OREGON STATE FLAG]	20183014MN001614.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR EDWARD MARTIN REGARDING NEW RAINBOW DIVISION]	20183014MN001615.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR EDWARD MARTIN REGARDING PLAQUE REACHED ME]	20183014MN001616.pdf ±50
[COPY] [CORRESPONDENCE FROM FIRST LIEUTENANT DANIEL M. ANDREWS TO MR. R.M. VAIL REGARDING SIGNED RECEIPT SHOWING PENNSYLVANIA STATE FLAG RECEIVED]	20183014MN001617.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO MAJOR GENERAL R.M. VAIL REGARDING RETURNING PENNSYLVANIA STATE FLAG]	20183014MN001618.pdf ±50
[COPY] [CORRESPONDENCE FROM EDWARD MARTIN TO BRIGADIER GENERAL HARRY J. COLLINS REGARDING ORDERED STATE FLAG]	20183014MN001619.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR EDWARD MARTIN REGARDING FLAG OF PENNSYLVANIA ARRIVED]	20183014MN001620.pdf ±50
[COPY] [CORRESPONDENCE FROM FIRST LIEUTENANT DANIEL M. ANDREWS TO MR. JOHN D. BRENNER REGARDING NATIONAL COLORS OF 149TH MACHINE GUN BATTALION]	20183014MN001621.pdf ±50
[COPY] [CORRESPONDENCE FROM FIRST LIEUTENANT DANIEL M. ANDREWS TO MR. JOHN T. BRENNER REGARDING RETURN OF THE FLAG 149TH MACHINE GUN BATTALION]	20183014MN001622.pdf ±50
[COPY] [CORRESPONDENCE FROM MAJOR BENJAMIN R. DOLAN TO ADJUTANT GENERAL OF PENNSYLVANIA REGARDING NATIONAL FLAG OF 149TH MACHINE GUN BATTALION]	20183014MN001623.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR HOWARD MCGRATH REGARDING NEW RAINBOW DIVISION]	20183014MN001624.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR J. HOWARD MCGRATH REGARDING LOAN OF RHODE ISLAND STATE FLAG]	20183014MN001625.pdf ±50
[COPY] [CORRESPONDENCE FROM FRED C. KILGUSS TO BRIGADIER GENERAL HARRY J. COLLINS REGARDING SHIPPING A BUNTING FLAG]	20183014MN001626.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL COLLINS TO HERBERT F. GRANSTORFF RHODE ISLAND AMERICAN LEGION REGARDING REQUEST LOAN OF RHODE ISLAND STATE FLAG]	20183014MN001627.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL COLLINS TO GOVERNOR J. HOWARD MCGRATH REGARDING SHIP STATE FLAG AS REQUESTED]	20183014MN001628.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR J. HOWARD MCGRATH REGARDING FLAG OF THE STATE OF RHODE ISLAND ARRIVED]	20183014MN001629.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR J. HOWARD MCGRATH REGARDING RETURNING RHODE ISLAND STATE FLAG]	20183014MN001630.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL DAVID Y. HURWITZ TO GOVERNOR J. HOWARD MCGRATH REGARDING RETAIN STATE OF RHODE ISLAND FLAG]	20183014MN001631.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR OLIN D. JOHNSON REGARDING NEW RAINBOW DIVISION]	20183014MN001632.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR OLIN D. JOHNSTON REGARDING PALMETTO FLAG ARRIVED]	20183014MN001633.pdf ±50
[COPY] [CORRESPONDENCE FROM GOVERNOR OLIN D. JOHNSTON TO BRIGADIER GENERAL HARRY J. COLLINS REGARDING STATE FLAG]	20183014MN001634.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR M.Q. SHARPE REGARDING NEW RAINBOW DIVISION]	20183014MN001635.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR M.Q. SHARPE REGARDING SOUTH DAKOTA STATE FLAG]	20183014MN001636.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR M.Q. SHARPE REGARDING FLAG OF THE STATE OF SOUTH DAKOTA ARRIVED]	20183014MN001637.pdf ±50
[COPY] [CORRESPONDENCE FROM BRIGADIER GENERAL HARRY J. COLLINS TO GOVERNOR M.Q. SHARPE REGARDING FLAG OF YOUR STATE]	20183014MN001638.pdf ±50
[COPY] [CORRESPONDENCE FROM MAJOR J.F.F. TILLSON, III TO MR. C.L. DAY REGARDING SENDING SOUTH DAKOTA STATE FLAG]	20183014MN001639.pdf ±50
[COPY] [CORRESPONDENCE FROM GOVERNOR M.Q. SHARPE TO BRIGADIER GENERAL HARRY J. COLLINS REGARDING SOUTH DAKOTA STATE FLAG]	20183014MN001640.pdf ±50
[COPY] [CORRESPONDENCE FROM GOVERNOR M.Q. SHARPE TO BRIGADIER GENERAL HARRY J. COLLINS REGARDING RETURN OF SOUTH DAKOTA FLAG]	20183014MN001641.pdf ±50