| Publication | Title | Author | Date | Pages | Comments |
| BOOK | Catalogo del Sellos | Kneitschel, Victor | 1958 | 44-46 | Marking of War of |
| Postales Argentina | Triple Alliance |
| BOOK | Handbuch amtlicher | Haas, Theodor | 1891 | 221-223 | Postal Stationery |
| Postkarten, |
| BOOK | Inverted Center | Sellinger, Martin | 1993 | 18-19 | Listing of inverted |
| Stamps of the World | centers |
| BOOK | Katapultpostkatalog: | Haberer, Erich | 3-97 | Catapult mail |
| Südamerika |
| BOOK | Ontwikkeling van de | van Beveren, F. J. | 9//64 | Airmail |
| Trans-atlantische |
| BOOKLET | Postal History of the | Shepherd, A. | Chaco War |
| Chaco War |
| BOOKLET | Postal History of the | Shepherd, A. | Chaco War |
| Chaco War (Pt.2 |
| BOOKLET | Sentencia del Señor | anon | 1912 | 32 | Faking of stamps |
| Juez del crimen |
| BOOKLET | Telegraph & | Hiscocks, S. E. R. | 1982 | 238 | Telegraph stamps |
| Telephone Stamps |
| BOOKLET (van den | Phantom Philately | Melville, Fred | 1950 | 153-155 | Bogus items |
| Berg reprint) |
| Bulletin of ther | Paraguay | Evans, P. J. | Feb 1913 | 106 | Revenue variety |
| Fiscal Philatelic |
| Bulls Eyes | "Military Stamps" of | Meyer, Henry A. | Apr-Jun 1980 | 10 | Brazilian labels |
| the War with | from the War of |
| Bulls Eyes | Are there Paraguay | Levin, Jay [trans.] | 11-12 | Brazilian labels |
| "War" stamps? | from the War of |
| Bulls Eyes | Brazil Military | anon | Apr-Jun 1980 | 10-13 | War of Triple |
| Stamps | Alliance labels |
| CATALOG | Catalogue Fiscal | Forbin, A. | 1915 | 621-624 | Revenues |
| Catalogos LIMEN | Primero | Bousquet, Augusto | 1988 | Doolittle and |
| '88 | Cartas…¡despues | Victor | Experimental |
| Cavendish Philatelic | Paraguay | anon | Sep 11, 1999 | Lot #163 | Chaco War Labels |
| Auctions | on cover |
| Central American | Airmail Surcharges | anon | Jan 1998 | 120 | Rates |
| Philatelist |
| Century of War | Paraguay | Van Dam, Theo | BOOK | 24-25 | Dates |
| Dates and More, A |
| Chile Filatelico | Compañia | Bonilla Lara, Alvaro | Jun 1960 | 336-341 | Printed of certain |
| Sudaméricana de | Par. Stamps |
| Chile Filatelico | Cuando Chile y | anon | Jun 1969 | 282-284 | Colonial Postal |
| Paraguay fueron | History |
| Chile Filatelico | Cuando Chile y | anon | Jun 1969 | 282-284 | Colonial period |
| Paraguay fueron |
| Chile Filatelico | Guerra del Chaco, La | Palmer, Derek | Sep 1959 | 189-191 | Chaco War |
| (Bolivia) |
| Chile Filatelico | Los ultimos sellos | Cassanello, Lorenzo | Aug 1932 | 28 | Quantities & date of |
| triangulos Zeppelin | B. | issue |
| Chile Filatelico | Paragauy - Los falsos | anon | Jun 1964 | 101-102 | Counterfeit |
| tipo "Catedral" |
| Chile Filatelico | Paraguay | anon | Sep 1931 | 29 | Steamship info |
| Chile Filatelico | Paraguay | anon | Sep 1968 | 101-102 | Telegraph stamps |
| Chile Filatelico | Paraguay | anon | Jun 1973 | 278 | Colonial marking |
| Chile Filatelico | Paraguay | anon | Sep 1968 | 101-102 | Telegraph stamps |
| Chile Filatelico | Paraguay | anon | Sep 1931 | 29 | Postal History |
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