Monographia pneumonopomorum viventium ... auctore Ludovico Pfeiffer. Supplementum tertium monographiae auriculaceorum, parte secunda auctum /

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith