Friedrich Kuhlbars venna Josephi ja vanemate Jakob ning Katharine Kuhlbarsiga. Orig. reg. 1934/37 (C-74:1)

KM EKLA, B-37:3360
http://kivike.kirmus.ee/index.php?t=3&oid=173&module=400&op=3&pid=EKLA-12222-42584-82145