IntestazioneHeyer, Carl Usata in: Integrated Authority File (GND), Germany
VarianteHeyer, Carl G.
Heyer, Carl Gustav
Heyer, Karl
Heyer, Karl Gustav
Heyer, Karl Justus
Fonti esterne
Trovato inNDB
Fonti a stampaDie Waldertragsregelung. - 1841
Carl Justus Heyer (1797-1856), German forestry scientist [Unknown authorUnknown author / Own scan from the Book "Biographien bedeutender hessischer Forstleute", Wiesbaden und Frankfurt am Main 1990, p. 311 -- Public domain -- http://commons.wikimedia.org/wiki/File:Carl Justus Heyer.jpg]