| United States |
| 1846-1848 Mexican-American War (3) |
| 1847-60 Issues (6) |
| 1851 1¢ & 3¢ Plating Studies (1) |
| 1851 1¢ & 3¢ Plating Studies (22) |
| 1851 1¢ & 3¢ Richard Celler Plating Stud (7) |
| 1851 1¢ Issue (33) |
| 1851 1¢-3¢ Issues (20) |
| 1851 3¢ Issue (18) |
| 1851 5¢-12¢ Issues (21) |
| 1857 1¢ & 3¢ Richard Celler Plating Stud (25) |
| 1857 1¢-3¢ Issues (44) |
| 1857 5¢-90¢ Issues & Reprints (28) |
| 1861-1866 Issue (53) |
| 1862 $2-$15 First Issue (21) |
| 1862 $20-$200 First Issue (14) |
| 1862 1¢-4¢ First Issue (30) |
| 1862 5¢-40¢ First Issue (21) |
| 1862 50¢-$1.90 First Issue (29) |
| 1867 Grilled Issues (26) |
| 1869 Pictorial Issue (43) |
| 1870-1871 National Bank Note Co. Issue, Grilled (17) |
| 1870-1871 National Bank Note Co. Issue, Without Gr (6) |
| 1870-1898 Regular Issues (18) |
| 1871 Second Issue (19) |
| 1871 Third & Fourth Issue (5) |
| 1871-74 Proprietary Stamps (9) |
| 1873-1875 Continental Bank Note Co. Issue (10) |
| 1875 Re-Issue of the 1869 Pictorial Issue (10) |
| 1875 Re-Issue of the 1869 Pictorial to 1890 Issue (14) |
| 1875 Reproductions of the 1847 Issue (7) |
| 1879-90 American Bank Note Co. Issues (11) |
| 1893 Columbian Issue (31) |
| 1893-94 Issues (7) |
| 1894-98 Bureau Issues (15) |
| 1898 Trans-Mississippi Issue (24) |
| 1898-1954 Documentary Issues (11) |
| 1901 Pan-American Issue (9) |
| 1901-56 20th Century Issues (11) |
| 1902-1908 Regular Issues (18) |
| 1908-1910 Washington-Franklin Issue, DL Watermark (15) |
| 1909 Bluish Paper Issue (4) |
| 1909 Commemorative Issues (5) |
| 1910-1911 Washington-Franklin Issue, SL Watermark (7) |
| 1912-1914 Washington-Franklin Issue, SL Watermark, (8) |
| 1913-1915 Panama-Pacific Issue (8) |
| 1914-1915 Washington-Franklin Issue, SL Watermark, (25) |
| 1916-1919 Washington-Franklin Issue, Unwatermarked (14) |
| 1917-1919 Washington-Franklin Issue, Perf. 11 (16) |
| 1918-1920 Offset Issues (6) |
| 1919-1921 Issues (8) |
| 1923-68 Issues (18) |
| 1968-99 Modern Errors (34) |
| Advertising/Illustrated Covers (11) |
| Airmail Issues (14) |
| Airmail to Official Issues (6) |
| Arizona Balance Lots (2) |
| Arizona Expresses - Arizona & N.M. to Tucson and T (11) |
| Arizona Expresses - Wells, Fargo & Co.: A-N Towns (22) |
| Arizona Expresses - Wells, Fargo & Co.: P-W Towns (26) |
| Back of the Book (16) |
| Back of the Book Collections (59) |
| California Postal History - 1847 Cannon Ball & Big (2) |
| California Postal History - D-S Towns & Mail Route (8) |
| Campaign Covers (10) |
| Canal Zone to Puerto Rico (19) |
| Carrier & Local Issues (19) |
| Carriers (11) |
| Civil War Expresses (4) |
| Civil War Postal History (2) |
| Confederate 1861 10¢ Issue (12) |
| Confederate 1861 5¢ Issue (17) |
| Confederate 1862 5¢-10¢ Issues (9) |
| Confederate 1863 2¢-10¢ Issues (14) |
| Confederate Advertising Covers (9) |
| Confederate Express Usages (4) |
| Confederate Official Covers (19) |
| Confederate Postal History (2) |
| Confederate Postmarks by State (7) |
| Confederate Provisional Issues (11) |
| Confederate States (8) |
| Eastern Expresses - Adams & Co.'s (9) |
| Eastern Expresses - American to American Merchants (21) |
| Eastern Expresses - Bigelow's to Carr's Bangor (15) |
| Eastern Expresses - Cheney & Co.'s to Fears & Bray (14) |
| Eastern Expresses - Fiske & Co's to Henderson's (29) |
| Eastern Expresses - Hodgman & Co. to Livingston, W (22) |
| Eastern Expresses - Longley & Co. to Pomeroy & Co. (16) |
| Eastern Expresses - Pullen & Co. to Tuck & Co. (22) |
| Eastern Expresses - Union Line to Winslow's (15) |
| Ephemera (6) |
| Exposition Covers (6) |
| Express Label Balance Lots (5) |
| Face Value Lots (9) |
| Fancy Cancellations (6) |
| Firearms Transfer Tax & Hunting Permit (3) |
| Flag-of-Truce & Prisoner of War Covers (7) |
| Foreign Mails (11) |
| General Issue Collections (77) |
| John Drew Collection of Coloma - Express Markings (9) |
| John Drew Collection of Coloma - Town Markings (16) |
| Local Issues (33) |
| Mail Routes (5) |
| Match & Medicine and Motor Vehicle Use (5) |
| Newspaper Stamps (28) |
| Offices in China & Officials (18) |
| Parcel Post (3) |
| Patriotic Covers (10) |
| Postal History by Subject (31) |
| Postal Savings & Postal Currency (8) |
| Postal Stationery (7) |
| Postmasters' Provisionals & 1847 Issue (20) |
| Railroad Markings (29) |
| Regular Issues on Cover (19) |
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| Special Delivery & Postage Due Issues (17) |
| State Postmarks - Arkansas to Nebraska (14) |
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| State Postmarks - Washington Towns & Expresses (19) |
| State Usages (12) |
| Town Postmarks (8) |
| United States Possessions & U.N. (23) |
| Western Express Covers - Berthouds to Tracy (5) |
| Western Express Covers - Group Lots (2) |
| Western Express Covers - Wells, Fargo & Co. (9) |
| Western Expresses - Bamber to Greenhood & Newbauer (10) |
| Western Expresses - Langton's Pioneer to Pacific (8) |
| Western Expresses - Pacific Union to Thomes & Skad (6) |
| Western Expresses - Wells, Fargo & Co.: A-O Towns (20) |
| Western Expresses - Wells, Fargo & Co.: P-Y Towns (22) |
| Wines & Playing Cards (9) |