↑ "#36: The Collyer Brothers." Ungeniused (Podcast). 25 October 2017. RelayFM (web). Retrieved 29 Oct 2017.
Find A Grave, database and images (accessed 12 November 2019), memorial page for Susan Frost Collyer (1 May 1880–15 Aug 1880), Find A Grave: Memorial #8990779, citing Cypress Hills Cemetery, Brooklyn, Kings County (Brooklyn), New York, USA ; Maintained by Famous Collyer Family of Ship Building Fame (contributor 46623098) .
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