Latvia
 Patkul, Johann Reinhold von (1660 – 1707). Letter to colonel Tiesenhausen. June 6, 1690. Riga.
Patkul, Johann Reinhold von (1660 – 1707). Letter to colonel Tiesenhausen. June 6, 1690. Riga.1 f., 325 x 197 mm, paper. Coll. 124. P.L. Vaksel. Inv. 2. No. 151. Fol. 1 r. Patkul, Johann Reinhold von. Photograph from a portrait. S.a. S.l.
1 f., 106 x 65 mm. Coll. 124. P.L. Vaksel. Inv. 2. No. 151. Fol. 3.
Johann Reinhold von Patkul was a Livonian nobleman (general) in the service to Peter I. Executed by the Swedish.
 Karte von Kurland abgetheilt in 4 Oberhauptmannschaften und dem Piltenschen Kreis. [1797 – 1819].
Karte von Kurland abgetheilt in 4 Oberhauptmannschaften und dem Piltenschen Kreis. [1797 – 1819].1 f., 570 x 970 mm, paper, ink, water-colour; pasted on green silk cloth. [1:420000]. Coll. 342. Collection of maps and charts. No. 804.
With the addition of the maps of Libava and Mitava.
 Corpus Privilegiorum indigenarum Rigae in Livonia. 1763.
Corpus Privilegiorum indigenarum Rigae in Livonia. 1763.241 ff., 321 x 197 mm, paper. inding of brown leather with the coat of arms of Riga stamped in gold. Germ. F.II. 197. Binding and fol. 1 r.