| United States |
| 1847 Issue (Scott 1-2) (37) |
| 1851-56 Issue (Scott 5-17) (24) |
| 1857-60 Issue (Scott 18-39) (27) |
| 1861-66 Issue (Scott 56-78) (20) |
| 1867-68 Grilled Issue (Scott 79-85E) (19) |
| 1867-68 Grilled Issue (Scott 88-101) (20) |
| 1869 Pictorial Issue and R-Issue (Scott 112-131) (31) |
| 1870-71 National Bank Note Co. Issues (Scott 134-1 (19) |
| 1873-93 Bank Note Co. Issue (Scott 156-229) (27) |
| 1875 Re-Issue of 1861-66 Issue (Scott 102-111) (5) |
| 1875 Reprint of 1857-60 Issue (Scott 40-47) (13) |
| 1875 Reproduction of 1847 Issue (Scott 3-4) (7) |
| 1894-98 Bureau Issues (Scott 246-283) (32) |
| 1898 Trans-Mississippi Issue (Scott 285-293) (23) |
| 1901 Pan-American Issue (Scott 294-299) (6) |
| 1902-08 Issues (Scott 300-320) (13) |
| 1908-10 Washington-Franklin Issues, 1909 Commemora (21) |
| 1910-13 Washington-Franklins, Panama Pacific Issue (15) |
| 1912-15 Washington-Franklin Issue (Scott 405-491) (38) |
| 1917-23 Issues (Scott 498-546) (22) |
| 1922 and Later Issues (23) |
| 1c-30c 1893 Columbian Issue (Scott 230-239) (22) |
| 50c-$5.00 1893 Columbian Issue (Scott 240-245) (24) |
| Air Post (C13-C15) (28) |
| Air Post (C1-C11) (14) |
| Canal Zone, Hawaii (25) |
| Carriers and Locals (3) |
| Civil War Encased Postage (7) |
| Collections and Accumulations (62) |
| Complete Sheets and Panes (24) |
| Complete Sheets and Panes, Cont. (24) |
| Complete Sheets and Panes, Group Lots (13) |
| Confederate States (8) |
| Confederate States, Full Panes (21) |
| Confederate States, Group Lots (8) |
| Fancy Cancellations: Off Cover (20) |
| Fancy Cancellations: On Cover (16) |
| Group Lots by Issue (21) |
| Modern Errors (21) |
| Newspapers and Periodicals (13) |
| Offices in China, Officials (3) |
| Parcel Post, Postal Stationery (15) |
| Postage Due (7) |
| Postmasters Provisionals (8) |
| Revenues, Hunting Permits (25) |
| Special Delivery, Registration (8) |