found: Einige Ansprüche des Landbaues auf Steuer- und Zollentlastung, 1876:title page (August Vogel) page 3 (he is also the author of several essays about Justus Liebig)
found: NUC pre-1956(hdg.: Vogel, August, 1817-1889; usage: August Vogel, A. Vogel)
found: Die Bieruntersuchung : eine Anleitung zur Werthbestimmung und Prüfung des Bieres nach den üblichsten Methoden, 1866:title page (von Dr. August Vogel)
found: Anleitung zur quantitativen Analyse landwirthschaftlich wichtiger Stoffe in praktischen Beispielen, 1879:title page (Dr. A. Vogel, ordentl., ö. Professor an der Universität in München [co-author])
found: German Wikipedia, viewed April 27, 2020(August Vogel (Agrarchemiker); August Vogel; professor of agricultural chemistry at the University of Munich; member of the Bavarian Academy of Sciences; born August 4, 1817, in Munich; died August 14, 1889, in Rosenheim; son of the chemist Heinrich August von Vogel [consequently, he is referred to in some sources as Professor Vogel the younger]; after obtaining a doctorate in medicine at Munich in 1839, he turned to the study of chemistry and obtained his Dr. phil. in Erfurt; in 1848, he joined the faculty in Munich; he was a disciple of Justus Liebig and worked to make Liebig's teachings better known)
found: Deutsche Nationalbibliothek online catalog, viewed April 28, 2020(authorized access point: Vogel, August; other data in authority record: physician and agricultural chemist; born 1817; died 1889; son of Heinrich August Vogel; full name: Friedrich August Vogel; variant form of name: Vogel, August, der Jüngere) - http://d-nb.info/gnd/100672051