Title	Documents
[CWP 233.7] [FULL SHOT PHOTOGRAPH OF ASSISTANT SURGEON JOHN THEODORE HEARD 13TH MASSACHUSETTS INFANTRY]	20182005PHBT1036360193F0000000390991I007.pdf ±50
[CWP 233.8] [GROUP PHOTOGRAPH OF GLEE CLUB 13TH MASSACHUSETTS INFANTRY, LT EDWIN R. FROST, HOSPITAL STEWARD JOHN H. WHITE, CORPORAL MICHAEL DAGNEY, GREEN, WAITT, AND WENTWORTH]	20182005PHBT1036360193F0000000390991I008.pdf ±50
[CWP 233.9] [MEDIUM SHOT PHOTOGRAPH OF PRIVATE WILLIAM BLANCHARD, COMPANY B., 13TH MASSACHUSETTS INFANTRY, COMPANY H., 39TH MASSACHUSETTS INFANTRY, LATER FIRST LIEUTENANT 27TH U.S. COLORED TROOPS]	20182005PHBT1036360193F0000000390991I009.pdf ±50
[CWP 233.10] [FULL SHOT PHOTOGRAPH OF FIRST SERGEANT EDWARD F. ROWE, COMPANY C., 13TH MASSACHUSETTS INFANTRY, LATER ACTING ENSIGN, U.S. NAVY]	20182005PHBT1036360193F0000000390991I010.pdf ±50
[CWP 233.11] [HEAD AND SHOULDER SHOT OF CORPORAL CHARLES F. JACKSON, COMPANY C., 13TH MASSACHUSETTS INFANTRY, SERGEANT, COMPANY A., 59TH MASSACHUSETTS INFANTRY]	20182005PHBT1036360193F0000000390992I001.pdf ±50
[CWP 233.12] [HEAD AND SHOULDER SHOT OF PRIVATE ALEXANDER W. BRYER, COMPANY D., 13TH MASSACHUSETTS INFANTRY]	20182005PHBT1036360193F0000000390992I002.pdf ±50
[CWP 233.13] [MEDIUM SHOT PHOTOGRAPH OF FIRST LIEUTENANT JOSEPH COLBURN, COMPANY F., 13TH MASSACHUSETTS INFANTRY]	20182005PHBT1036360193F0000000390992I003.pdf ±50
[CWP 233.14] [HEAD AND SHOULDER SHOT OF PRIVATE SAMUEL ELY FULLER, COMPANY F., 13TH MASSACHUSETTS INFANTRY]	20182005PHBT1036360193F0000000390992I004.pdf ±50
[CWP 233.15] [FULL SHOT PHOTOGRAPH OF PRIVATE SEWELL H. MERRILL, COMPANY F., 13TH MASSACHUSETTS INFANTRY]	20182005PHBT1036360193F0000000390992I005.pdf ±50
[CWP 233.16] [HEAD AND SHOULDER SHOT OF CAPTAIN CHARLES H. HOVEY, COMPANY H., 13TH MASSACHUSETTS INFANTRY]	20182005PHBT1036360193F0000000390992I006.pdf ±50
[CWP 233.17] [FULL SHOT PHOTOGRAPH OF LIEUTENANT CHARLES B. FOX, COMPANY K., 13TH MASSACHUSETTS INFANTRY, LATER LIEUTENANT COLONEL 55TH MASSACHUSETTS INFANTRY]	20182005PHBT1036360193F0000000390992I007.pdf ±50
[CWP 233.18] [THREE-QUARTER SHOT PHOTOGRAPH OF CAPTAIN STILLMAN O. FISH, BATTERIES D. M. K. & A., 1ST MISSOURI LIGHT ARTILLERY]	20182005PHBT1036360193F0000000390992I008.pdf ±50
[CWP 233.19] [HEAD AND SHOULDER SHOT OF CAPTAIN JAMES MARR, BATTERY K., 1ST MISSOURI LIGHT ARTILLERY]	20182005PHBT1036360193F0000000390992I009.pdf ±50
[CWP 233.20] [HEAD AND SHOULDER SHOT OF COLONEL GILES A. SMITH, 8TH MISSOURI INFANTRY]	20182005PHBT1036360193F0000000390992I010.pdf ±50
[CWP 233.21] [HEAD AND SHOULDER SHOT OF MAJOR DENNIS T. KIRBY, 8TH MISSOURI INFANTRY, LATER LIEUTENANT COLONEL 27TH MISSOURI INFANTRY, LATER CAPTAIN, 39TH U.S. INFANTRY]	20182005PHBT1036360193F0000000390993I001.pdf ±50
[CWP 233.22] [CLOSE UP PHOTOGRAPH OF SECOND LIEUTENANT JOSEPH S. RUSSELL, 29TH MISSOURI INFANTRY]	20182005PHBT1036360193F0000000390993I002.pdf ±50
[CWP 233.23] [HEAD AND SHOULDER SHOT OF COLONEL JAMES C. RICE, 44TH NEW YORK STATE INFANTRY, PREVIOUSLY CAPTAIN, COMPANY B., 39TH NEW YORK STATE INFANTRY]	20182005PHBT1036360193F0000000390993I003.pdf ±50
[CWP 233.24] [FULL SHOT PHOTOGRAPH OF COLONEL JAMES C. RICE, 44TH NEW YORK STATE INFANTRY]	20182005PHBT1036360193F0000000390993I004.pdf ±50
[CWP 233.25] [MEDIUM SHOT PHOTOGRAPH OF COLONEL STEPHEN W. STRYKER, 44TH NEW YORK STATE INFANTRY, PREVIOUSLY FIRST LIEUTENANT, COMPANY B., 11TH NEW YORK STATE INFANTRY, LATER LIEUTENANT COLONEL 18TH NEW YORK STATE CAVALRY]	20182005PHBT1036360193F0000000390993I005.pdf ±50
[CWP 233.26] [THREE-QUARTER SHOT PHOTOGRAPH OF CAPTAIN BENJAMIN K. KIMBERLY, COMPANY A., 44TH NEW YORK INFANTRY, AND COMPANY F., 18TH NEW YORK STATE INFANTRY]	20182005PHBT1036360193F0000000390993I006.pdf ±50
[CWP 233.27] [CLOSE UP PHOTOGRAPH OF LIEUTENANT THEODORE HOES, COMPANY B., 44TH NEW YORK STATE INFANTRY]	20182005PHBT1036360193F0000000390993I007.pdf ±50
[CWP 233.28] [HEAD AND SHOULDER SHOT OF SECOND LIEUTENANT JOHN J. HARDENBURG, COMPANY B., 44TH NEW YORK STATE INFANTRY]	20182005PHBT1036360193F0000000390993I008.pdf ±50
[CWP 233.29] [FULL SHOT PHOTOGRAPH OF SERGEANT ROBERT F. SHIPLEY, COMPANY C., 44TH NEW YORK STATE INFANTRY, COMPANY A., 140TH NEW YORK STATE INFANTRY]	20182005PHBT1036360193F0000000390993I009.pdf ±50
[CWP 233.30] [FULL SHOT PHOTOGRAPH OF LIEUTENANT JOHN V. TEN BROECK, COMPANY D & K., 44TH NEW YORK STATE INFANTRY]	20182005PHBT1036360193F0000000390993I010.pdf ±50
[CWP 233.31] [CLOSE UP PHOTOGRAPH OF CAPTAIN CHARLES W. GIBBS, COMPANY F., 44TH NEW YORK STATE INFANTRY, AND VETERAN RESERVE CORPS]	20182005PHBT1036360193F0000000390994I001.pdf ±50
[CWP 233.32] [FULL SHOT PHOTOGRAPH OF CAPTAIN CHARLES W. GIBBS, COMPANY F., 44TH NEW YORK INFANTRY AND VETERAN RESERVE CORPS]	20182005PHBT1036360193F0000000390994I002.pdf ±50
[CWP 233.33] [FULL SHOT PHOTOGRAPH OF PRIVATE CHARLES P. LUFF, COMPANY G., 44TH NEW YORK STATE INFANTRY]	20182005PHBT1036360193F0000000390994I003.pdf ±50
[CWP 233.34] [THREE-QUARTER SHOT PHOTOGRAPH OF CAPTAIN WILLIAM N. DANKS, COMPANY H., 44TH NEW YORK STATE INFANTRY]	20182005PHBT1036360193F0000000390994I004.pdf ±50
[CWP 233.35] [FULL SHOT PHOTOGRAPH OF PRIVATE WILLIAM B. LENNOX, COMPANY G., 14TH NEW YORK STATE INFANTRY, COMPANY H., 44TH NEW YORK STATE INFANTRY, COMPANY K., 140TH NEW YORK STATE INFANTRY]	20182005PHBT1036360193F0000000390994I005.pdf ±50
[CWP 233.36] [FULL SHOT PHOTOGRAPH OF PRIVATE ANDREW PARKER, COMPANY H., 44TH NEW YORK STATE INFANTRY]	20182005PHBT1036360193F0000000390994I006.pdf ±50
[CWP 233.37] [HEAD AND SHOULDER SHOT OF CAPTAIN A. WEBSTER SHAFFER, COMPANY I., 44TH NEW YORK INFANTRY AND VETERAN RESERVE CORPS]	20182005PHBT1036360193F0000000390994I007.pdf ±50
[CWP 233.38] [HEAD AND SHOULDER SHOT OF FIRST LIEUTENANT CHARLES KELLY, COMPANY I., 44TH NEW YORK INFANTRY]	20182005PHBT1036360193F0000000390994I008.pdf ±50
[CWP 233.39] [THREE-QUARTER SHOT PHOTOGRAPH OF SERGEANT CHARLES D. BOWEN, COMPANY K., 44TH NEW YORK]	20182005PHBT1036360193F0000000390994I009.pdf ±50
[CWP 233.40] [HEAD AND SHOULDER SHOT OF FIRST LIEUTENANT FREDERICK M. HALLECK, COMPANY E., 137TH NEW YORK STATE INFANTRY]	20182005PHBT1036360193F0000000390994I010.pdf ±50
[CWP 233.41] [CLOSE UP PHOTOGRAPH OF CAPTAIN HARLAN P. SPAULDING, COMPANY E., 7TH U.S. COLORED TROOPS, PREVIOUSLY PRIVATE AND CORPORAL, COMPANY A., 44TH NEW YORK STATE INFANTRY]	20182005PHBT1036360193F0000000390995I001.pdf ±50
[CWP 233.42] [THREE-QUARTER SHOT PHOTOGRAPH OF SECOND LIEUTENANT JOSEPH FERGUSON, COMPANY G., 7TH U.S. COLORED TROOPS, PREVIOUSLY PRIVATE, CORPORAL, AND SERGEANT, COMPANY C., 44TH NEW YORK STATE INFANTRY]	20182005PHBT1036360193F0000000390995I002.pdf ±50
[CWP 233.43] [HEAD AND SHOULDER SHOT OF FIRST LIEUTENANT J. FRANCIS JENNESS, 8TH U.S. COLORED TROOPS]	20182005PHBT1036360193F0000000390995I003.pdf ±50
[CWP 233.44] [FULL SHOT PHOTOGRAPH OF CAPTAIN JOHN DOWNING, COMPANY F., 127TH U.S. COLORED TROOPS, PREVIOUSLY PRIVATE, CORPORAL, AND SERGEANT, COMPANY F., 44TH NEW YORK INFANTRY]	20182005PHBT1036360193F0000000390995I004.pdf ±50
[CWP 233.45] [FULL SHOT PHOTOGRAPH OF MAJOR DARIUS TITUS, 12TH PENNSYLVANIA CAVALRY]	20182005PHBT1036360193F0000000390995I005.pdf ±50
[CWP 233.46] [THREE-QUARTER SHOT PHOTOGRAPH OF SERGEANT JOHN H. KEIPER, COMPANY D., 12TH PENNSYLVANIA CAVALRY, SEATED]	20182005PHBT1036360193F0000000390995I006.pdf ±50
[CWP 233.47] [THREE-QUARTER SHOT PHOTOGRAPH FARRIER JOHN BOWEN, COMPANY D., 12TH PENNSYLVANIA CAVALRY, SEATED]	20182005PHBT1036360193F0000000390995I007.pdf ±50
[CWP 233.48] [THREE-QUARTER SHOT PHOTOGRAPH OF PRIVATE WILLIAM SPECHT, COMPANY G., 12TH PENNSYLVANIA CAVALRY, SEATED]	20182005PHBT1036360193F0000000390995I008.pdf ±50
[CWP 233.49] [MEDIUM SHOT PHOTOGRAPH OF SERGEANT LUGENE B. CLARK, COMPANY L., 12TH PENNSYLVANIA CAVALRY]	20182005PHBT1036360193F0000000390995I009.pdf ±50
[CWP 233.50] [THREE-QUARTER SHOT PHOTOGRAPH OF FIRST LIEUTENANT AND ADJUTANT JOHN D. MERCER, 119TH PENNSYLVANIA INFANTRY]	20182005PHBT1036360193F0000000390995I010.pdf ±50
[CWP 233.51] [GROUP PHOTOGRAPH OF FIELD AND STAFF OFFICERS, 119TH PENNSYLVANIA INFANTRY]	20182005PHBT1036360193F0000000390996I001.pdf ±50
[CWP 233.52] [FULL SHOT PHOTOGRAPH OF PRIVATE WILLIAM R. BUSBY, COMPANY A., 119TH PENNSYLVANIA INFANTRY]	20182005PHBT1036360193F0000000390996I002.pdf ±50
[CWP 233.53] [THREE-QUARTER SHOT PHOTOGRAPH OF CAPTAIN CHARLES NOBLE, JR., COMPANY G., 119TH PENNSYLVANIA INFANTRY]	20182005PHBT1036360193F0000000390996I003.pdf ±50
[CWP 233.54] [FULL SHOT PHOTOGRAPH OF PRIVATE AARON WICK, COMPANY H., 119TH PENNSYLVANIA INFANTRY]	20182005PHBT1036360193F0000000390996I004.pdf ±50
[CWP 233.55] [WIDE SHOT PHOTOGRAPH OF SCENE IN CAMP OF THE 119TH PENNSYLVANIA INFANTRY]	20182005PHBT1036360193F0000000390996I005.pdf ±50
[CWP 233.56] [WIDE SHOT PHOTOGRAPH OF UNDESIGNATED COMPANY IN LINE AT ITS CAMP, 119TH PENNSYLVANIA INFANTRY]	20182005PHBT1036360193F0000000390996I006.pdf ±50
[CWP 233.57] [WIDE SHOT PHOTOGRAPH OF UNDESIGNATED COMPANY IN LINE AT ITS CAMP, 119TH PENNSYLVANIA INFANTRY]	20182005PHBT1036360193F0000000390996I007.pdf ±50
[CWP 233.58] [FULL SHOT PHOTOGRAPH OF DRAWING OF HEADQUARTERS, 119TH PENNSYLVANIA INFANTRY IN FRONT OF PETERSBURG, VIRGINIA]	20182005PHBT1036360193F0000000390996I008.pdf ±50
[CWP 234][PHOTOGRAPH SHOWING PORTRAIT OF WILLIAM H. ROLFE IN FRAME]	20182005PHBT1036360194F0000000066836I001.pdf ±50
[PHOTOGRAPH SHOWING PORTRAIT OF YOUNG OFFICER]	20182005PHBT1036360194F0000000066836I002.pdf ±50
[PHOTOGRAPH SHOWING A FRAMED PORTRAIT OF A MUSTACHED SOLDIER]	20182005PHBT1036360194F0000000066836I003.pdf ±50
[PHOTOGRAPH SHOWING PORTRAIT OF YOUNG COUPLE]	20182005PHBT1036360194F0000000066836I004.pdf ±50
[CWP 234.1][FULL SHOT PHOTOGRAPH SHOWING F. A. WARNER SR., STANDING]	20182005PHBT1036360194F0000000066836I005.pdf ±50
[CWP 234.1][FULL SHOT PHOTOGRAPH SHOWING F. A. WARNER JR.., STANDING]	20182005PHBT1036360194F0000000066836I006.pdf ±50
['CWP 234.2][HEAD SHOT PHOTOGRAPH SHOWING BRIGADIER GENERAL JOHN M. SITHER]	20182005PHBT1036360194F0000000066836I007.pdf ±50
[CWP 234.3][FULL SHOT PHOTOGRAPH SHOWING HENRY H. HUNT, ME 5TH LIGHT ARTILLERY]	20182005PHBT1036360194F0000000066836I008.pdf ±50
[CWP 234.4][HEAD SHOT PHOTOGRAPH SHOWING SAMUEL LIBBY, COMPANY E, ME 11TH INFANTRY]	20182005PHBT1036360194F0000000066836I009.pdf ±50
[CWP 234.5][HEAD SHOT PHOTOGRAPH SHOWING ASSISTANT SURGEON SIMON A. EVANS, ME 14TH INFANTRY]	20182005PHBT1036360194F0000000066836I010.pdf ±50
[CWP 234.6][HEAD SHOT PHOTOGRAPH SHOWING SOLON PERKINS, 3RD MASSACHUSETTS CAVALRY]	20182005PHBT1036360194F0000000066836I011.pdf ±50
[CWP 234.7][HEAD SHOT PHOTOGRAPH SHOWING EDWIN E. DWINDLE, 6TH MASSACHUSETTS VOLUNTEER]	20182005PHBT1036360194F0000000066836I012.pdf ±50
[CWP 234.8][FULL SHOT PHOTOGRAPH SHOWING WILLIAM HENRY H. LUCKE, 8TH MASSACHUSETTS VOLUNTEER]	20182005PHBT1036360194F0000000066836I013.pdf ±50
[CWP 234.9][HEAD SHOT PHOTOGRAPH SHOWING MAJOR HENRY J. HOUR, 19TH MASSACHUSETTS INFANTRY]	20182005PHBT1036360194F0000000066836I014.pdf ±50
[CWP 234.10][THREE QUARTER SHOT PHOTOGRAPH SHOWING ASSISTANT SURGEON ISAAC SMITH JR.]	20182005PHBT1036360194F0000000066836I015.pdf ±50
[CWP 234.11][FULL SHOT PHOTOGRAPH SHOWING CHARLES G. COX, 2ND LT. 90TH MASSACHUSETTS VOLUNTEER INFANTRY]	20182005PHBT1036360194F0000000066836I016.pdf ±50
[CWP 234.12][THREE QUARTER SHOT PHOTOGRAPH SHOWING MUSICIAN BENJAMIN COLLEY, COMPANY I, MASSACHUSETTS 43RD INFANTRY]	20182005PHBT1036360194F0000000066837I001.pdf ±50
[CWP 234.13][FULL SHOT PHOTOGRAPH SHOWING PRIVATE MARTIN C. PROCTOR, E COMPANY, 45TH MASSACHUSETTS INFANTRY]	20182005PHBT1036360194F0000000066837I002.pdf ±50
[CWP 234.14][HEAD AND SHOULDER SHOT PHOTOGRAPH SHOWING BARNABAS EWER JR,, COMPANY I, MASSACHUSETTS 3RD INFANTRY]	20182005PHBT1036360194F0000000066837I003.pdf ±50
[CWP 234.15][HEAD AND SHOULDER SHOT PHOTOGRAPH SHOWING PRIVATE JOHN D. THOMPSON, 29TH REGIMENT]	20182005PHBT1036360194F0000000066837I004.pdf ±50
[CWP 234.16][FULL SHOT PHOTOGRAPH SHOWING YOUNG MAN LEANING ON SWORD]	20182005PHBT1036360194F0000000066837I005.pdf ±50
[REPORT REGARDING REGIMENT HISTORY OF NEW YORK 7TH REGIMENT]	20182005PHBT1036360194F0000000066837I006.pdf ±50
[CWP 234.17][FULL SHOT PHOTOGRAPH SHOWING YOUNG MAN STANDING NEXT TO CHAIR]	20182005PHBT1036360194F0000000066837I007.pdf ±50
[CWP 234.18][FULL SHOT PHOTOGRAPH SHOWING YOUNG PERSON STANDING NEXT TO TABLE]	20182005PHBT1036360194F0000000066837I008.pdf ±50
[CWP 234.19][THREE QUARTER SHOT PHOTOGRAPH SHOWING MUSTACHED MAN IN UNIFORM]	20182005PHBT1036360194F0000000066837I009.pdf ±50
[CWP 234.20][HEAD SHOT PHOTOGRAPH SHOWING LT COLONEL BARNE I. CHAPIN, 86TH NEW YORK]	20182005PHBT1036360194F0000000066837I010.pdf ±50
[CWP 234.21][HEAD SHOT PHOTOGRAPH SHOWING GEORGE WASHBURN, CAPTAIN, COMPANY K, 133TH NEW YORK INFANTRY]	20182005PHBT1036360194F0000000066837I011.pdf ±50
[CWP 234.22][THREE QUARTER SHOT PHOTOGRAPH SHOWING CAPTAIN DUNCAN ROW, NEW YORK]	20182005PHBT1036360194F0000000066837I012.pdf ±50
[CWP 234.22][HEAD SHOT PHOTOGRAPH SHOWING CHARLES C. MCGLAUGHLIN, 95TH REGIMENT]	20182005PHBT1036360194F0000000066837I013.pdf ±50
[CWP 234.23][HEAD SHOT PHOTOGRAPH SHOWING LT. COLONEL JOHN A. MUNROE, 1ST RHODE ISLAND]	20182005PHBT1036360194F0000000066837I014.pdf ±50
[CWP 234.24][FULL SHOT PHOTOGRAPH SHOWING BEARDED MAN STANDING]	20182005PHBT1036360194F0000000066838I001.pdf ±50
[CWP 234.25][HEAD AND SHOULDER SHOT PHOTOGRAPH SHOWING MAJOR GENERAL DAVID BURNEY]	20182005PHBT1036360194F0000000066838I002.pdf ±50
[CWP 234.26][FULL SHOT PHOTOGRAPH SHOWING EMANIOL BOTEANY][WITH ATTACHMENTS]	20182005PHBT1036360194F0000000066838I003.pdf ±50
[CWP 234.27][HEAD SHOT PHOTOGRAPH SHOWING GENERAL CASEY]	20182005PHBT1036360194F0000000066838I004.pdf ±50
[CWP 234.28][HEAD SHOT PHOTOGRAPH SHOWING JACOB D. COX]	20182005PHBT1036360194F0000000066838I005.pdf ±50
[CWP 234.29][HEAD SHOT PHOTOGRAPH SHOWING GENERAL HALLESLE]	20182005PHBT1036360194F0000000066838I006.pdf ±50
[CWP 234.30][HEAD SHOT PHOTOGRAPH SHOWING BEARDED MAN IN UNIFORM]	20182005PHBT1036360194F0000000066838I007.pdf ±50
[CWP 234.31][WIDE SHOT PHOTOGRAPH SHOWING SOLDIER NEXT TO A HORSE]	20182005PHBT1036360194F0000000066838I008.pdf ±50
[CWP 234.32][FULL SHOT PHOTOGRAPH SHOWING SERGEANT MILLER STANDING]	20182005PHBT1036360194F0000000066838I009.pdf ±50
[CWP 234.33][THREE QUARTER SHOT PHOTOGRAPH SHOWING BEARDED MAN IN UNIFORM]	20182005PHBT1036360194F0000000066838I010.pdf ±50
[CWP 234.34][THREE QUARTER SHOT PHOTOGRAPH SHOWING JOHN F. RATHORNE]	20182005PHBT1036360194F0000000066838I011.pdf ±50
[CWP 234.35][THREE QUARTER SHOWING BEARDED OFFICER SITTING]	20182005PHBT1036360194F0000000066838I012.pdf ±50
[CWP 234.36][THREE QUARTER SHOT PHOTOGRAPH SHOWING MORGAN L. SMITH]	20182005PHBT1036360194F0000000066838I013.pdf ±50
[CWP 234.37][THREE QUARTER SHOT PHOTOGRAPH SHOWING PRIVATE STUMMEN]	20182005PHBT1036360194F0000000066838I014.pdf ±50
[CWP 234.38][HEAD SHOT PHOTOGRAPH SHOWING MUSTACHED MAN]	20182005PHBT1036360194F0000000066839I001.pdf ±50
[CWP 234.39][HEAD AND SHOULDER SHOT PHOTOGRAPH SHOWING JOHN WOOL]	20182005PHBT1036360194F0000000066839I002.pdf ±50
[CWP 234.40][FULL SHOT PHOTOGRAPH SHOWING TWO OFFICERS POSING]	20182005PHBT1036360194F0000000066839I003.pdf ±50
[CWP 234.41][WIDE SHOT PHOTOGRAPH SHOWING DOCK AREA NEAR WATER]	20182005PHBT1036360194F0000000066839I004.pdf ±50
[CWP 234.42][FULL SHOT PHOTOGRAPH SHOWING MAN IN UNIFORM, SITTING DOWN AND HOLDING A SWORD]	20182005PHBT1036360194F0000000066839I005.pdf ±50