| Publication | Title | Author | Date | Pages | Comments |
| American Philatelist | Latin American | Watchorn, Hugh | May 1966 | 625-626 | Counterfeits |
| Notes: Paraguay | Gunboat issue |
| American Philatelist | Paraguay Red Cross | anon | May 1971 | 413 | Red Cross Label |
| American Philatelist | Paraguay | Watchorn, Hugh | Oct 1968 | 911 | Bogus Issue |
| Revolutionary Issues | [misleading] |
| American Philatelist | Paraguay's Church of | Watchorn, Hugh | Jul 1963 | 757 | Counterfeits |
| the Incarnation |
| American Philatelist | Paraguayan Postal | Hahn, Joseph D. | Jun 1995 | 554-555 | Colony |
| Card Spotlights |
| American Philatelist, | Member | Davis, A. H. | 581 | Reason for pinhole |
| The | in some stamps |
| American Philatelist, | Paraguay | anon | 18-19 | Quantities of |
| The | provisionals |
| American Stamp | Brazil | anon | 1869 | 28-29 | Asks about Brazilian |
| Mercury | Army labels |
| American Stamp | Latest Imposition | anon | 1869 | 55-56 | Bogus "Ship" |
| Mercury | stamps |
| American Stamp | Paraguay | anon | Apr 1868 | 46 | Claims to have |
| Mercury | bogus "Ship" stamp |
| American Stamp | Paraguay | anon | Mar 2, 1868 | 1 | Claims bogus "Ship" |
| Mercury | stamp on cover |
| American Stamp | Paraguay | anon | Jun 1868 | 1 | Notes bogus "Ship" |
| Mercury | stamp |
| American Stamp | Paraguay Stamp | anon | Apr 1868 | 40 | Claims bogus "Ship" |
| Mercury | stamp issued in |
| American Stamp | Paraguayan Stamps | anon | 1869 | 50-51 | Bogus "Ship" stamp |
| Mercury |
| American Stamp | Stamp Dealers of | Triffet, F. | 1869 | 61-64 | Talks about issues |
| Mercury | Boston | of "The Boston |
| American Stamp | Paraguayan Stamps | anon | 1869 | 84-85 | Notes "Lion" essays |
| Mercury and | & bogus "Ship" |
| Apuntes Filatelicos | Valores altos de la | Godoi, Juansilvano | No. 36 | 10-11 | Varieties |
| emision ordinaria de |
| Arbeitsgemeinschaft | Seepost am Rio fe la | anon | 1988 | 3-12 | Postal History |
| Latein Amerika, | Plata |
| Asociacion Filatelica | Evolución del Correo | Bose, Walter B. L. | BOOKLET | Stampless & early |
| de la Republica | in el Paraguay | issues |
| ATA Biography | Aviators & | Partington, Paul G. | 1976 | Pettirossi |
| Handbook #1 | Aeronauts of Latin |
| Atalaya Filatelica | Tarifas Postales | López Bernal, José | Jan 1996 | 9-13 | Colonial postage |
| Coloniales para la | Manuel | rates |
| Atalaya Filatelica | Tarifas Postales de | Lopez Bernal, Jose | Jan 1995 | 4-6 | Colonial Postage |
| los Virreinatos de las | Manuel | Rates |
| Atalaya Filatelica | Urbanismo Colonial | Munoz, Francisco | Apr 1996 | 33-35 | Foundations of |
| Espanol en America | Basallote | Towns |
| Berliner Briefmarken | Paraguay | anon | Nov 1, 1908 | 423 | Newspaper |
| Zeitung | provisional |
| Berliner Briefmarken | Paraguay | anon | Oct 17, 1908 | 401 | Quantities of some |
| Zeitung | provisionals not |
| Biblioteca de la | Signos Postales del | Bose, Walter B. | 1938 BOOK | 61//83 | Stampless period |
| Sociedad Historia | Rio de la Plata | markings |
| Billig Handbook | Paraguay | anon | Vol 9 | 165-166 | Counterfeit airmail |
| Billig Handbook Vol | Paraguay | anon | 165-166 | Counterfeit |
| 9 |
| BOOK | Airlines of Latin | anon | 507-513 | Background |
| America: Paraguay |
| Book | Airmail Operations | Boyle, Thomas H. | 1998 | Chapter 16, 664-667 | Air Mail routes |
| during World War II |
| Saturday, February 19, 2000 | Page 4 of 42 |