Text: rootsweb.com (ssdi)
1940 census (familysearch.org)
Obituary, The New York Times, 6 Dec 1977. https://www.nytimes.com/1977/12/06/archives/joseph-astrove.html
Obituary, The New York Times, 1 Dec 1977. https://www.nytimes.com/1977/12/01/archives/obituary-1-no-title.html
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