| Title | Author | Publication | Date | Pages | Comments |
| Por diez centavos se | Naceri, Rodolfo | Madrid Filatelico | Jan 1952 | 7 | 1892 Columbus |
| enloqueció pueblo | Bellani | issue |
| Post- und | anon | Illustriertes | Oct 1, 1895 | 230-233 | Info on Colonial |
| Vekehrswesen in | Briefmarken Journal | Posts |
| Post- und | anon | Illustriertes | Jul 10, 1895 | 164-166 | Info on Colonial |
| Vekehrswesen in | Briefmarken Journal | Posts |
| Post- und | anon | Illustriertes | Jul 20, 1895 | 173-174 | Info on Colonial |
| Vekehrswesen in | Briefmarken Journal | Posts |
| Post- und | anon | Illustriertes | Oct 10, 1895 | 239-241 | Info on Colonial |
| Vekehrswesen in | Briefmarken Journal | Posts |
| Postage Rates to the | anon | Albemarle Stamp | Jan 1919 | 4 | Postage Rate |
| United States in | Collector |
| Postal Angel of | anon | Stamp Collectors' | Jan 5, 1901 | 167 | Pena's connection |
| Paraguay | Fortnightly | to telegraph |
| Postal History of the | Shepherd, A. | BOOKLET | Chaco War |
| Chaco War |
| Postal History of the | Shepherd, A. | BOOKLET | Chaco War |
| Chaco War (Pt.2 |
| Postal Markings: | Konweiser, Harry | Stamps | Jul 28, 1945 | 122 | Use of bisect |
| Paraguay Bisects |
| Postal Rates to the | anon | Albermale Stamp | Jan 1919 | 4 | Rate |
| United States in | Collector |
| Postal Stationery | Moorhouse, Brian | Mainsheet | Nov 1989 | 50-57 | War of Triple |
| and Labels from the | Alliance |
| Postal Stationery | Moorhouse, Brian | Mainsheet | Nov 1989 | 50-57 | War of Triple |
| and Labels from the | Alliance |
| Postal Stationery of | anon | Higgins & Gage | 1-3 | Postal Stationery |
| the World - |
| Postalisches und | Rochóll, Carlos | Illustriertes | Jun 1, 1930 | 171-172 | Producer & printer |
| Philatelistisches aus | Briefmarken Journal | of airmails |
| Primeras Emisiones | Elicabe, Ricardo | Revista de las | 181-182 | First issues |
| del Paraguay (Las) | Sociedad Filatelica |
| Primeras Estampillas | anon | Revista Filatelica | Quantities of 1st |
| Paraguayas | Paraguaya | issue (inaccurate) |
| Primero | Bousquet, Augusto | Catalogos LIMEN | 1988 | Doolittle and |
| Cartas…¡despues | Victor | '88 | Experimental |
| Provincia de | Guinouart & Tizon | Prefilatelia Española | BOOK | 971-973 | Stampless markings |
| Paraguay o |
| Public Stamp | anon | Regency Stamps, | Sep 11-12, 1999 | Lots #2894 - 2895 | Zepp covers |
| Auction #20 | Ltd. |
| Purchase of | Phillips, Charles J. | Gibbons Monthly | Mar 30, 1912 | 88 | Collection |
| Collection of late | Journal |
| Quema de valores | anon | Revista de la | 188 | Quantities of |
| postales y | Sociedad Filatelica | postage & telegraph |
| Quema de valores | anon | Revista de la | 188 | Destruction of |
| postales y | Sociedad Filatelica | stamps |
| Question Box | Müller, Edwin | Mercury Stamp | Sep 1951 | 166 | Expalins why reply |
| Journal | cards are cancelled |
| Registrations Labels | anon | Postal Label Study | 1991 | 286-290 | Registration labels |
| of the World | Group - Study Paper |
| Republica del | anon | Revista de la | 43-44 | Background and |
| Paraguay: Serie | Sociedad Filatelica | quantities |
| Revolutionsmarken | Gerhauser | Illustriertes | Aug 4, 1906 | 321 | Bogus 1904 issues |
| von Paraguay (Die) | Briefmarken Journal |
| Roosevelt On | anon | Linn's Weekly | Jun 10, 1939 | 511 | Date of some issues |
| Coming Paraguayan | Stamp News |
| Roosevelt on | anon | Linn's Weekly | Jun 10, 1939 | 511 | Proposed issue |
| Coming Paraguayan | Stamp News |
| Route von B.A. nach | anon | Sammlergemeinschaf | 1995 | 19-22 | Route for mail |
| Asumpcion del | t Lateinamerika: |
| Saturday, February 19, 2000 | Page 39 of 42 |