43
44
47
48
51
52
Published in Harz-Heimat (1939)
Other Involved Persons: ...Heinemann, Robert 1868-1945...
Article
53
54
by Bonner, Tom I.
Published in Nature <London> (1980)
Other Involved Persons: ...Heinemann, Robert...
electronic Article
56
57
Published c1992
Other Involved Persons: ...Heinemann, Robert...
Book