Diary of John Quincy Adams, volume 1
Staid at Home all day. Mr. D. went to Mr. Wolff the banker's.1
Member of Strahlborn and Wolff, St. Petersburg bankers, who handled financial matters for Dana in the Russian capital (Dana to Benjamin Franklin, 29 April/[10 May] 1782, and to Robert Morris, 21 Oct./[1 Nov.] 1782, both LbC, MHi:Dana Papers).