https://www.mappingthelives.org/bio/3cd57f0f-a80c-49c0-88dc-46eac77e01d0
https://www.alemannia-judaica.de/sprendlingen_synagoge.htm
Otto LANDSBERG b. 25 Oct 1894 Sprendlingen, Germany d. Bet, 1942 - 1945 Holocaust: Stern Loebl Database (sternmail.co.uk)
Liste der Stolpersteine in Sprendlingen – Wikipedia
Applicant is his daughter: Ruth LANDSBERG b. 6 Mar 1926 Alzey, Alzey-Worms, Rheinland-Pfalz, Germany d. 7 Aug 1999 Rochester, Monroe, New York, USA: Stern Loebl Database (sternmail.co.uk)