Books by Christian Ludvig Madsen:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Madsen, Christian Ludvig: Den nord-atlantiske Telegraf over Færøerne, Island og Grønland; efter et Foredrag i det Kg. Danske Geografiske Selskab, d. 31. januar 1882. (Hoffensberg & Traps Etabl., 1883) (page images at HathiTrust)- Madsen, Christian Ludvig: Thermo-geographical studies. General exposition of the analytical method applied to researches on temperature and climate. With ... a codification of the principal thermo-geographical formulae, tables, and definitions. (G.E.C. Gad, 1897), also by Denmark) Carlsbergfondet (Copenhagen (page images at HathiTrust)
Find more by Christian Ludvig Madsen at your library, or elsewhere.