Schneiderman, Harry, ed. (1934). "France 1933"(PDF). The American Jewish Yearbook. 36. Philadelphia: The Jewish Publication Society of America: 167. Archived from the original(PDF) on 4 April 2023. Retrieved 6 December 2009.
"L'origan the golden (advertisement)". Ad*Access On-Line Project – Ad #BH1654. John W. Hartman Center for Sales, Advertising & Marketing History, Duke University Rare Book, Manuscript, and Special Collections Library. 1950. Archived from the original(JPEG) on 20 August 2010. Retrieved 9 November 2009.
"L'origan the golden (advertisement)". Ad*Access On-Line Project – Ad #BH1654. John W. Hartman Center for Sales, Advertising & Marketing History, Duke University Rare Book, Manuscript, and Special Collections Library. 1950. Archived from the original(JPEG) on 20 August 2010. Retrieved 9 November 2009.
Schneiderman, Harry, ed. (1934). "France 1933"(PDF). The American Jewish Yearbook. 36. Philadelphia: The Jewish Publication Society of America: 167. Archived from the original(PDF) on 4 April 2023. Retrieved 6 December 2009.