Depkin L. Lettisches Wörterbuch: the original manuscript transcribed and annotated by Trevor G. Fennell.
Depkin L. Lettisches Wörterbuch: the original manuscript transcribed and annotated by Trevor G. Fennell. - Rīga: LAB, 2009. - Vol.5: Addenda I: Errata, Nachricht, Appendices A-C. - VIII, 344 p. - Bibliogr.: p. 343-344 ([22] ref.). - Latv., Germ., Lat., Engl.