Uckermann
20-001 to 20-003
20-005 to 20-007
Laborde
20-009
Bose
20-013
Iterson
20-015 to 20-017
Bose
20-019
Bose
20-021
Rose
20-023
Luer
20-025
Jackson
20-027
Lukens
20-029
20-031
Jackson
20-033
Jackson
20-035 to 20-037
Schoenborn
20-039
Luer
20-041 to 20-059
Chevalier-Jackson
20-061 to 20-079
Luer
20-081 to 20-091
Wolf
20-093 to 20-103
Vidal
20-105
Monocores
20-107
Vidal
20-109
Fox
20-111 to 20-117
Kilner
20-119
