Verfasser
Ricketts, Charles
2
University Museum, Philadelphia
2
Aldred, Cyril
1
Bianchi, Robert Steven
1
Burger Robin, Simone
1
Grimm, Alfred
1
Hardwick, Tom
1
Hodzhash, S.
1
Jaeger, Bertrand
1
Janssen, Jozef Marie Antoon
1
Mercer, Samuel Alfred Browne
1
Reeves, C.N.
1
Schott, Erika
1
Walle, Baudouin van De
1