Author
Musil, Ferdinand L.,
4
National War Garden Commission
3
David Landreth & Sons
2
De Giorgi, Ferdinand,
2
Pack, Charles Lathrop, 1857-1937
2
Zkušený zelinář,
2
Dale, Jane
1
Dudley, Albert W.
1
Durlach, Hansi
1
Obama, Michelle, 1964-
1
Pennsylvania Horticultural Society (Philadelphia)
1
Philadelphia Chamber of Commerce. Educational Committee
1
Randall, J.
1
Warner, Sam Bass, 1928-2023
1
Weaver, William Woys, 1947-
1