eBook 9,894 results 9,894 Government Document 6,078 results 6,078 Book 542 results 542 Microform 174 results 174 Serial 38 results 38 Database 22 results 22 Map 17 results 17 Journal 13 results 13 Conference Proceeding 10 results 10 Video 9 results 9 DVD 4 results 4 Blu-ray Disc 2 results 2 Thesis 2 results 2 Book Chapter 1 results 1 Electronic 1 results 1 Manuscript 1 results 1 Photo 1 results 1 see all…

ProQuest (Firm) 4,581 results 4,581 United States. Post Office Department 2,109 results 2,109 United States. Congress. House. Committee on Post Office and Post Roads 1,087 results 1,087 United States. Congress. Senate. Committee on Post Offices and Post Roads 682 results 682 United States. Postmaster General 392 results 392 United States. Congress. House 384 results 384 United States. Congress. House. Committee on Post Office and Civil Service 365 results 365 United States. Congress. House. Committee on Appropriations 226 results 226 United States. Congress. Senate. Committee on Post Office and Civil Service 219 results 219 United States. Department of the Treasury 195 results 195 United States Civil Service Commission 163 results 163 United States. General Accounting Office 115 results 115 Library of Congress. Congressional Research Service 109 results 109 United States. Congress. House. Committee on Public Buildings and Grounds 102 results 102 United States. Railway Mail Service 84 results 84 United States. Congress. Senate. Committee on Appropriations 75 results 75 United States. Congress. House. Committee on Post Office and Civil Service. Subcommittee on Postal Operations and Services 71 results 71 United States. Government Accountability Office 71 results 71 United States. Congress. House. Committee on Post Office and Civil Service. Subcommittee on Postal Personnel and Modernization 69 results 69 United States. Congress. Senate. Committee on Public Buildings and Grounds 68 results 68 United States. Congress. House. Committee on the Judiciary 66 results 66 United States Postal Service 64 results 64 United States. War Department 63 results 63 United States. Congress. Senate. Committee on the Judiciary 62 results 62 United States. Postal Rate Commission 57 results 57 United States. Congress. House. Committee on Ways and Means 56 results 56 United States. Congress. House. Committee on Rules 55 results 55 United States. Bureau of Manufactures 54 results 54 United States. Congress. House. Committee of Conference 51 results 51 United States Postal Service. Board of Governors 46 results 46 see all…

English 10,449 results 10,449 French 42 results 42 Spanish 30 results 30 German 16 results 16 Italian 3 results 3 Russian 3 results 3 Chinese 1 results 1 Czech 1 results 1 Dutch 1 results 1 Latin 1 results 1 Swedish 1 results 1 see all…

United States 3,372 results 3,372 Great Britain 143 results 143 New York (N.Y.) 91 results 91 England 85 results 85 California 71 results 71 France 48 results 48 Washington (D.C.) 45 results 45 Confederate States of America 36 results 36 Minnesota 36 results 36 Alaska 33 results 33 Boston (Mass.) 31 results 31 Iowa 31 results 31 Mexico 30 results 30 Chicago (Ill.) 28 results 28 New Orleans (La.) 28 results 28 Texas 28 results 28 Wisconsin 28 results 28 Philadelphia (Pa.) 27 results 27 New York (State) 26 results 26 China 23 results 23 Europe 21 results 21 London 21 results 21 Cincinnati (Ohio) 20 results 20 Mississippi 20 results 20 San Francisco (Calif.) 20 results 20 South Carolina 20 results 20 Illinois 19 results 19 Indiana 19 results 19 Kansas 19 results 19 Ohio 19 results 19 see all…