| Author | Title | Publication | Date | Pages | Comments |
| anon | Paraguay | Illustriertes | Jan 20, 1912 | 42 | Sheet size |
| Briefmarken Journal |
| anon | Paraguay | Illustriertes | Aug 16, 1924 | 248 | Variety |
| Briefmarken Journal |
| anon | Paraguay | Illustriertes | Dec 3, 1932 | 367 | Proposed issue |
| Briefmarken Journal |
| anon | Paraguay | Illustriertes | Sep 17, 1932 | 286 | Date of issue |
| Briefmarken Journal |
| anon | Paraguay | Illustriertes | Apr 9, 1932 | 108 | Quantities issued |
| Briefmarken Journal |
| anon | Paraguay | Illustriertes | Feb 14, 1891 | Bogus Jeffryes items |
| Briefmarken Journal |
| anon | Paraguay | Illustriertes | Oct 1, 1928 | 305 | Printer |
| Briefmarken Journal |
| anon | Paraguay | Illustriertes | Mar 2, 1931 | 73-74 | Printer & sheet size |
| Briefmarken Journal |
| anon | Paraguay | Illustriertes | Feb 19, 1886 | 59 | Bogus "2" on 3R |
| Briefmarken Journal |
| anon | Paraguay | Illustriertes | Dec 15, 1928 | 387 | Printer |
| Briefmarken Journal |
| anon | Paraguay | Illustriertes | Sep 6, 1930 | 268 | Date of issue |
| Briefmarken Journal |
| anon | Paraguay | Illustriertes | Aug 6, 1910 | 355 | Fakes of 1886 prov. |
| Briefmarken Journal | Officials |
| anon | Paraguay | Illustriertes | Apr 9, 1910 | 156 | Date of issue |
| Briefmarken Journal |
| anon | Paraguay | Illustriertes | Jul 4, 1908 | 312 | Date of issue, bogus |
| Briefmarken Journal | issue |
| anon | Paraguay | Illustriertes | Sep 1, 1908 | 399 | Quantities of some |
| Briefmarken Journal | provisionals |
| anon | Paraguay | Illustriertes | Oct 17, 1908 | 468-469 | Quantities issued |
| Briefmarken Journal |
| anon | Paraguay | Illustriertes | Sep 1, 1934 | 271 | Quantities of |
| Briefmarken Journal | stamps issued |
| anon | Paraguay | Illustriertes | Nov 1, 1908 | 495 | Date & Quantities |
| Briefmarken Journal | of 20c on 30c lilac |
| anon | Paraguay | Illustriertes | Nov 21, 1908 | 519 | Date of issue |
| Briefmarken Journal |
| anon | Paraguay | Illustriertes | Dec 19, 1908 | 562 | Date of issue |
| Briefmarken Journal |
| anon | Paraguay | Illustriertes | Mar 7, 1891 | 81 | Bogus Jeffryes items |
| Briefmarken Journal |
| anon | Paraguay | Illustriertes | Jul 15, 1939 | 291 | Quantities issued |
| Briefmarken Journal |
| anon | Paraguay | Illustriertes | Jan 23, 1909 | 47 | Date of issue |
| Briefmarken Journal |
| anon | Paraguay | Illustriertes | Apr 19, 1913 | 213 | Variety |
| Briefmarken Journal |
| anon | Paraguay | Illustriertes | May 1, 1909 | 214-215 | Date & Quantities |
| Briefmarken Journal | issued |
| anon | Paraguay | Illustriertes | Jun 15, 1935 | 187 | Time of issue |
| Briefmarken Journal |
| anon | Paraguay | Illustriertes | Dec 4, 1937 | 430 | Quantities printed |
| Briefmarken Journal |
| anon | Paraguay | Illustriertes | Feb 6, 1909 | 68 | Date of issue of |
| Briefmarken Journal | some "1908" issues |
| anon | Paraguay | Illustriertes | No 18, 1911 | 526 | Decree re bisected |
| Briefmarken Journal | 75c for 20c |
| anon | Paraguay | Illustriertes | Oct 16, 1937 | 366 | Quantities printed, |
| Briefmarken Journal | printer |
| Saturday, February 19, 2000 | Page 9 of 42 |