1912年時，在全國進步黨黨代表大會上 (National Progressive Convention) 上，珍亞當斯公開表示支持該黨總統提名候選人羅斯福(Theodore Roosevelt)

出處: Moffett Studio and Kaufmann, Weimer & Fabry Co., copyright claimant. "National Progressive Convention, Chicago, August 6, 1912." August 1912. Taking the Long View: Panoramic Photographs, 1851-1991, Library of Congress.