Das gelehrte Ost Friesland.

[By Enno Johann Heinrich Tjaden]. Aurich, J.H.L. Borgeest, 1785-1790, 3 volumes, LIV,(10),262,(1); 405,(1); 304 p., with stipple-engraved portrait in the third volume, 19th-century uniform half cloth.

All volumes with minor foxing, volume 2 with water stain at the beginning. Series of biographies of regional scholars, incl. Ubbo Emmius. On the author E.J.H. Tjaden (1722-1781) and his work, see: https://tinyurl.com/yc99zglq.