Zürich, Fäsi & Beer, 1903, gr. in-8vo, Frontispice.Porträt + 76 S. Original-Broschüre.
Image disp.
Phone number : 41 (0)26 3223808
Basel, Karger, 1961, gr. in-8vo, 152 S., Bibliotheksstempel auf Vorsatbl. Hlwd. (Bibl.).
Dazu: Franz Escher: Die otologische Beurteilung des Schädeltraumatikers. 1948, 151 S. Hlwd (Bibl.)
Phone number : 41 (0)26 3223808
1897 Two parts in one. 126, vi p., 2 plates, later boards, hand-written paper label on front board, original printed wrappers (to part II) bound in rear.Rare publication on Swiss wasps, originally published in two parts. Small stamp on title-page, otherwise a very good copy.