| 1 | IDL 6675 | to Sebastian SPERANTIUS, Innsbruck, shortly before 1516-01-01 Letter lost |
| 2 | IDL 5093 | to Sigismund I Jagiellon, Innsbruck, 1516-01-05 |
| 3 | IDL 4864 | to , Innsbruck, 1516-03-15 |
| 4 | IDL 1287 | Michael von WOLKENSTEIN to , Innsbruck, 1516-07-15 |
| 5 | IDL 492 | to , Innsbruck, 1530-05-09 |
| 6 | IDL 4175 | Johann Albrecht of Brandenburg-Ansbach to , Innsbruck, 1530-05-10 |
| 7 | IDL 5830 | Heinrich JULE? to , Innsbruck, 1530-05-17 |
| 8 | IDL 493 | to , Innsbruck, 1530-05-27 |
| 9 | IDL 5831 | Johann Albrecht of Brandenburg-Ansbach to , Innsbruck, 1530-05-27 |
| 10 | IDL 7034 | Hieronim ŁASKI to , Innsbruck, 1531-11 Letter lost |
| 11 | IDL 794 | Caspar URSINUS Velius to , Innsbruck, 1532-06-10 |
| 12 | IDL 859 | & Nikolaus NIBSCHITZ (NIPSZYC) to , Innsbruck, 1532-11-30 |
| 13 | IDL 3728 | Hans von SICKINGEN, Franz Conrad von SICKINGEN, Ulrich von CZETTRITZ & [] to , Innsbruck, [1532, November or December] |
| 14 | IDL 881 | Philipp von WITTELSBACH der Streitbare to , Innsbruck, 1533-01-15 |
| 15 | IDL 882 | to , Innsbruck, 1533-01-15 |
| 16 | IDL 6939 | Georg of Austria to , Innsbruck, ca. 1533-01-15 Letter lost |
| 17 | IDL 886 | to , Innsbruck, 1533-01-25 |
| 1 | IDL 5157 | Sebastian SPERANTIUS to , Weißenhorn , 1516-01-01 |
| 2 | IDL 5093 | to Sigismund I Jagiellon, Innsbruck, 1516-01-05 |
| 3 | IDL 4884 | Jakov BANIČEVIĆ to , Augsburg, 1516-01-06 |
| 4 | IDL 118 | to , Augsburg, 1516-10-29 |
| 5 | IDL 119 | to , Augsburg, 1516-11-05 |
| 6 | IDL 121 | to , Augsburg, 1516-11-21 |
| 7 | IDL 492 | to , Innsbruck, 1530-05-09 |
| 8 | IDL 493 | to , Innsbruck, 1530-05-27 |
| 9 | IDL 506 | Jan LEWICKI to , Venice, 1530-06-20 |
| 10 | IDL 508 | Jan LEWICKI to , Venice, 1530-06-26 |
| 11 | IDL 732 | Ernst von Bayern to [?], s.l., [1531] |
| 12 | IDL 3470 | Hieronim ŁASKI to , Rytwiany, 1532-02-25 |
| 13 | IDL 859 | & Nikolaus NIBSCHITZ (NIPSZYC) to , Innsbruck, 1532-11-30 |
| 14 | IDL 869 | to , Cracow (Kraków), 1532-12-26 |
| 15 | IDL 3728 | Hans von SICKINGEN, Franz Conrad von SICKINGEN, Ulrich von CZETTRITZ & [] to , Innsbruck, [1532, November or December] |
| 16 | IDL 882 | to , Innsbruck, 1533-01-15 |
| 17 | IDL 886 | to , Innsbruck, 1533-01-25 |
| 18 | IDL 922 | to , Vienna, 1533-03-27 |
| 19 | IDL 4323 | to Gdańsk City Council, Löbau (Lubawa), 1533-04-05 |
| 20 | IDL 5505 | Johan WEZE to , Nagyvarad (Varadinum), 1536-08-02 |
| 21 | IDL 3982 | to Wilhelm IV von Wittelsbach, Löbau (Lubawa), 1537-03-12 |
| 22 | IDL 1600 | to Wilhelm IV von Wittelsbach, Löbau (Lubawa), 1537-03-16 |
| 23 | IDL 5491 | to Albrecht I von Hohenzollern-Ansbach, Wrocław (Breslau), 1538-06-18, postscript (dated in Strzelce Opolskie / Gross Strehlitz) 1538-06-23 |
| 24 | IDL 5491 | to Albrecht I von Hohenzollern-Ansbach, Wrocław (Breslau), 1538-06-18, postscript (dated in Strzelce Opolskie / Gross Strehlitz) 1538-06-23 |
| 25 | IDL 1921 | to , Cracow (Kraków), 1538-09-14 |
| 26 | IDL 2479 | Stanisław HOZJUSZ (HOSIUS) to , Vilnius, 1541-08-13 |