https://classic-yachts.com/
Home - Robbe & Berking - Yards
robbeyards
https://drc.libraries.uc.edu/items/0abef5b9-809c-4a76-9e1b-ee08a62f6809
Berking (Birth, 1888-11-30)
birth
https://scholars.unh.edu/ccom/149/
"The Electronic Chart. Fundamentals, Functions and other Essentials: A " by H Hecht, B Berking et...
By H Hecht, B Berking, M Jonas, et al., Published on 01/01/11