Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Otto Billeter oder wie die älteste [3, 3]-sigmatrope Umlagerung nach Neuenburg kam: Teil 2: Otto Billeter or How the Oldest [3, 3]-Sigmatropic Rearrangement went to Neuchâtel, Part 2
A Comparative Grammar of the Indo-Germanic Languages: A Concise Exposition of the History of Sanskrit, Old Iranian (Avestic and Old Persian), Old Armenian, Old Greek, Latin, Umbro-Samnitic, Old Irish, Gothic, Old High German, Lithuanian and Old Church Slavonic