Sources |
- [S1440] http://www.findagrave.com, Headstone, Hasler, J. M. F., (https://www.findagrave.com/memorial/16945760/ferdinand-hasler), none. (Reliability: 2).
- [S66] Billeter, Julius (1869- 1957), Haesler family of Gsteigwiler, Lütschenthal, Böningen; Stoller family of Gündlischwand, Lütschenthal and Bönigen., (Copyright 1988 by Corporation of the President of the Church of Jesus Christ of Latter Day Saints), page 150, #2060, Microfilm #1183570. (Reliability: 3).
- [S1437] http://www.findagrave.com, Obituary, Hasler, Catherine Moser, (https://www.findagrave.com/memorial/12744364/catharine-hasler), none. (Reliability: 2).
- [S1436] http://www.findagrave.com, Headstone, Hasler, Catherine and Casper, (https://www.findagrave.com/memorial/12744364/catharine-hasler), none. (Reliability: 2).
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