| Publication | Title | Author | Date | Pages | Comments |
| American Journal of | Paraguay | anon | Mar 1, 1899 | 150 | Notes 10c on 15c |
| Philately | provisional |
| American Journal of | Paraguay | anon | Mov 28, 1905 | 415-416 | Bogus Provisionals |
| Philately | of 1904 |
| American Journal of | Paraguay | anon | Oct 28, 1905 | 381 | Uncatalogued |
| Philately | official - Oficial in |
| American Journal of | Paraguay | anon | Nov 28, 1905 | 415-416 | Bogus 1904 |
| Philately | Revolutionary |
| American Journal of | Paraguay | anon | Jun 20, 1905 | 237 | Notes 20c on 24c in |
| Philately | black |
| American Journal of | Paraguay | anon | Dec 1, 1902 | 391 | Notes some |
| Philately | varieties of 5c on |
| American Journal of | Paraguay | anon | Jul 1, 1901 | 179 | Notes 5c brown |
| Philately | imperf vertically |
| American Journal of | Paraguay | anon | Aug 1, 1898 | 337 | Notes 50,000 of |
| Philately | 40c to be made 10c |
| American Journal of | Paraguay | anon | Sep 1, 1897 | 419 | Notes 2 shades of |
| Philately | 10c |
| American Journal of | Paraguay | anon | Sep 1, 1896 | 413-415 | New Issue of |
| Philately | Stationery |
| American Journal of | Paraguay | anon | Apr 1, 1897 | 171 | Notes 2c 1881 |
| Philately | imperforate |
| American Journal of | Paraguay | anon | May 1, 1868 | 19 | Notes bogus "Ship" |
| Philately | issue |
| American Journal of | Paraguay | anon | Jul 1, 1868 | 34 | Notes cancelled |
| Philately | bogus "Ship" issue |
| American Journal of | Paraguay | anon | Sep 1, 1868 | 49 | Doubts bogus "Ship" |
| Philately | issue |
| American Journal of | Paraguay | anon | Aug 15, 1890 | 319 | Receipt of 1886 |
| Philately | provisional |
| American Journal of | Paraguay | anon | Dec 31, 1892 | 598-599 | Decree + Columbus |
| Philately | envelope |
| American Journal of | Paraguay | anon | Jan 1, 1902 | 25 | Notes 5c fiscal used |
| Philately | for postage |
| American Journal of | Paraguay | anon | Aug 15, 1892 | 389 | Notes bogus "1892" |
| Philately |
| American Journal of | Paraguay | anon | Mar 15, 1892 | 156 | Fakes of postal |
| Philately | cards |
| American Journal of | Paraguay | anon | Dec 31, 1892 | 598-599 | Decree for 1892 |
| Philately | Columbus issue |
| American Journal of | Paraguay | anon | Mar 15, 1892 | 156 | Counterfeits of |
| Philately | Postal Cards |
| American Journal of | Paraguay | Witt, C. | Sep 30, 1893 | 495 | Variety of 1886 |
| Philately | prov official |
| American Journal of | Paraguay and | anon | Jan 20, 1869 | 8-9 | Bogus ship |
| Philately | Ecuador Humbugs |
| American Journal of | Paraguay and | anon | Jan 20, 1869 | 8-9 | Bogus "Ship" issue |
| Philately | Ecuador Humbugs, |
| American Journal of | Paraguay | anon | Oct 31, 1894 | 464 | Counterfeits & |
| Philately | Counterfeits | Bogus |
| American Philatelic | Paraguay | anon | 9th - 1943 | 19 | 1878 issue on cover |
| Congress Book |
| American Philatelist | Common | Sousa, Joseph M. | Nov 1965 | 117-118 | Counterfeits |
| Counterfiets & Their |
| American Philatelist | Latin American | Watchorn, Hugh | Apr 1968 | 325-326 | Counterfeits |
| Notes | Cathederal of |
| American Philatelist | Latin American | Watchorn, Hugh | Apr 1968 | 325-326 | Counterfeits |
| Notes - 1929 |
| American Philatelist | Latin American | Watchorn, Hugh | Oct 1968 | 911 | Bogus issues |
| Notes - Paraguay |
| Saturday, February 19, 2000 | Page 3 of 42 |