| Title | Author | Publication | Date | Pages | Comments |
| Some Stamps and | McGregor, Richard | Mekeel's | Nov 30, 1931 | 693-694, 703 | General information |
| History from | C. |
| South American | Davis, A. H. | Air Mail Collector, | Jul 1931 | 25 | Suspension of air |
| Airmail | The | service to Asuncion |
| South American | Davis, A. H. | Air Mail Collector, | Jul 1929 | 32 | Mail carried on |
| Airmail Notes | The | flight |
| South American | Davis, A. H. | Air Mail Collector, | Oct 1929 | 27 | Est. of airmail |
| Airmail Notes | The |
| South American | anon | Philatelic Journal of | Feb 1914 | 299 | Rate of exchange |
| Money: Paraguay | America |
| Spud Papers | Ragatz, Lowell | Stamps | Aug 5, 1950 | 194-200 | Counterfeits |
| Spud Papers | Ragatz, Lowell | Stamps | Aug 19, 1950 | 272-275, 277, 284 | Counterfeits |
| Stamp Dealers of | Triffet, F. | American Stamp | 1869 | 61-64 | Talks about issues |
| Boston | Mercury | of "The Boston |
| Stamp Market | Fyndem, W.E. | Stamp Collecting | Aug 27, 1932 | 481-482 | General |
| Stamp Scandal in | anon | Gibbons Monthly | Nov 30, 1912 | 338-339 | Counterfeits of |
| Paraguay | Journal | Paraguay |
| Stamp Scandal in | anon | Gibbons Monthly | Nov 30, 1912 | 338-339 | Counterfeiting |
| Paraguay | Journal |
| Stamp Scandal in | anon | Gibbons Monthly | Oct 31, 1911 | 367 | Counterfits |
| Paraguay | Journal |
| Stamps of Paraguay | anon | Stamps | Apr 25, 1899 | 58-59 | Argentina used in |
| Paraguay & 1st |
| Stamps of Paraguay | McDonnell, William | Virginia Philatelist | Sep 1898 | 13-17 | General |
| A. |
| Stamps of Paraguay | Phillips, Charles J. | Gibbons Monthly | Apr 30, 1912 | 116-119 | Essays & Proofs |
| Journal | not in book |
| Stamps of Paraguay | Phillips, Charles J. | Gibbons Monthly | Apr 30, 1912 | 116-119 | Additions to his |
| Journal | Book on Paraguay |
| Stamps of To-day | anon | Stamp Collecting | May 9, 1936 | 219 | Date of issue, |
| and To-morrow | quantities issued |
| Standard Catalogue | anon | Scott Stamp & Coin | 1898 | 117-118 | Postal Stationery |
| of Postal Cards & |
| Stray Notes on | Thiele, R.R. | The Adhesive | Aug 1903 | 78-79 | South American |
| Sheets of Stamps | Bank Note Co. |
| Stray Notes on South | Thiele, R.R. | The Adhesive | Feb 1904 | 22 | Sizes of sheets |
| America |
| Struggle for El Gran | Walls, Guillerma A. | Stamp and Cover | Jul 1935 | 339-340 | Chaco war |
| Chaco Boreal | Collecting |
| Tarifas Postales | López Bernal, José | Atalaya Filatelica | Jan 1996 | 9-13 | Colonial postage |
| Coloniales para la | Manuel | rates |
| Tarifas Postales de | Lopez Bernal, Jose | Atalaya Filatelica | Jan 1995 | 4-6 | Colonial Postage |
| los Virreinatos de las | Manuel | Rates |
| Telegraph & | Hiscocks, S. E. R. | BOOKLET | 1982 | 238 | Telegraph stamps |
| Telephone Stamps |
| That "Lion" Essay | Rooke, H. F. | Cinderella Philatelist | Apr 1962 | 30-31 | "Lion" essay types |
| of Paraguay |
| That "Lion" Essay | Rooke, H. F. | Cinderella | Apr 1962 | 30-31 | Bogus Lion |
| of Paraguay | Philatelist, The |
| That "Sitting Lion" | Van den Berg, | Van den Berg list | Oct 1971 | 15, 19 | Original essays |
| Paraguay Essay | George (Lowell | offered |
| Three Times as | Richardson, Robert | Linn's Weekly | Feb 9, 1935 | 283-284 | War of Triple |
| Many Women as | Stamp News | Alliance |
| Trends of Stamp | anon | Linn's Stamp News | Jan 6, 1997 | 38,43 | Prices |
| Values: Paraguay |
| últimos sellos | Cassanello, Lorenzo | Chile Filatelico | May 1932 | 28 | Quantities issued |
| triangulos Zeppelin | B. |
| Saturday, February 19, 2000 | Page 41 of 42 |