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Collection: Airship – Dr. Karl Arnstein (photo). Summit Memory. 阿克倫薩米特縣公共圖書館（英语：Akron-Summit County Public Library）. [15 November 2008]. （原始内容存档于2012-02-15）
the World's Largest Airship Factory & Dock. 阿克倫薩米特縣公共圖書館（英语：Akron-Summit County Public Library）. [2008-11-15]. "A Nine Acre Nest For Dirigibles" Popular
(PDF)存档于October 13, 2020）. Summit County, Ohio Marriage Records: John/Vessells. FamilySearch. Akron, Ohio: Summit County Courthouse: 364. October 6,