Provenance: On the title page in ink and Cyrillic: Rol'f Klosterman (!) 1928 g., and stamp: Knižnyj magazin K. Ja. Zichmana v g. Rige. Condition: Torn and worn, many underlinings, marks in the margins, chapters crossed-out. Miscellanea: Two slips of paper: one between pp. 110/111 with pencilled notes in German, equations in red and some words in Cyrillic, and the other between pp. 200/201 in German type about the rising of book prices by 100 per cent from 1st October 1918 regarding books from Universal-Bibliothek and Helios-Klassiker, signed by Philipp Reclam jr. Leipzig. Repositories: BSM, BSS, BVUA, CULC, IISH, KB, RNB, SSB, UL, Several American Libr.