- US BCMLA 00/MS.486
- Collection
The bulk of the collection is a photocopy of a record book created by Dietrich Thiessen and given to his daughter Katharina Thiessen in February 1909. It contains information taken from church registers in the Borozenko Mennonite colony in Russia. The data is also posted at http://mennonitegenealogy.com/russia/felsen.htm
Thiessen, Katharina, 1886-?