Books by Siegfried F. Paul:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Paul, Siegfried F.: The Zeiss works and the Carl-Zeiss stiftung in Jena (Marshall, Brooks & Chalkley, ltd., 1904), also by Felix Auerbach and Fredric J. Cheshire (page images at HathiTrust)- Paul, Siegfried F.: The Zeiss works and the Carl-Zeiss stiftung in Jena; their scientific, technical and sociological development and importance (Marshall, Brookes & Chalkley, ltd., 1904), also by Felix Auerbach and Frederick J Cheshire (page images at HathiTrust)
Find more by Siegfried F. Paul at your library, or elsewhere.