U.S. National Archives:
Unit Wiring Boards for Tabulating Machines, 1940 - 1941
U.S. National Archives:
Alphabetic Accounting Machine Equipped with Gang Summary Punch, IBM, 1940 - 1941
U.S. National Archives:
New Census Building,the Home Office of the Census Bureau, 1940 - 1941
U.S. National Archives:
Enumeration, a Farmer Supplies Answers to the 232 Questions on the Farm Schedule, 1940 - 1941
U.S. National Archives:
Result Work, Population Division, 1940 - 1941
U.S. National Archives:
Population and Housing Editors, Negro Section, 1940 - 1941
U.S. National Archives:
Head of a Census Unit Tabulator, 1940 - 1941
U.S. National Archives:
Population Files Stored 154,071 Portfolios, Linear Feet of Filing Space is in Excess of Four Miles, 1940 - 1941
U.S. National Archives:
Geographers Division, Draftsmen, 1940 - 1941
U.S. National Archives:
Card Punch Operators Working on Agricultural Cards, 1940 - 1941
U.S. National Archives:
Occupational Coder, 1940 - 1941
U.S. National Archives:
Enumeration, No Kind of Habitation was Missed, Included among the Places are Railroad Section Hands, 1940 - 1941
U.S. National Archives:
Enumeration, Alaska Too Saw the Census Enumerator Arrive in His Dog Sled, 1940 - 1941
U.S. National Archives:
Review Section in Machine Tabulation Division, 1940 - 1941
U.S. National Archives:
Wing Control Room in Population Division, 1940 - 1941
U.S. National Archives:
Geographers Division, a Planimeter, 1940 - 1941
U.S. National Archives:
Occupational Coding, Peak Employment on this Operation was 806, 1940 - 1941
U.S. National Archives:
Enumeration, Approximately 120,000 Enumerators were Employed, 1940 - 1941
U.S. National Archives:
Enumeration, One Day was Devoted to the Enumeration of Trailer Camps and Other Places Inhabited by Transients, 1940 - 1941