1925 99 p., 43 figs, disbound (partly loose, no covers). Papers from Dr. Th. Mortensen's Pacific Expedition 1914-1916. Published in Videnskabelige Meddelelser fra Dansk naturhistorisk Forening i Kobenhavn.
1932 36 p., 5 pls, roy. 4to, paperbound. Good unopened copy.
1932 36 p., 5 pls, roy. 4to, paperbound. Good unopened copy.
1904 110 p., 34 figs, 16 pls, roy. 4to, contemporary brown half cloth with yellow-brown marbled boards. author and title in gilt on spine. Library stamps on hafl-title and title-page. A few marginal foxing spots on some of the plates, else a very good copy. Bound in is an old photographic portrait of a scientist (botanist? the signature underneath the portrait is indecipherable).