Troeltsch
18-001 to 18-007
Troeltsch
18-009 to 18-015
Politzer
18-017 to 18-027
Hartmann
18-029
Hartmann
18-031 to 18-037
Hartmann
18-039 to 18-049
Toynbee
18-051 to 18-061
Hartmann
18-063
Erhardt
18-065 to 18-071
Gruber
18-073 to 18-083
Gruber
18-085 to 18-095
Hartmann
18-097 to 18-101
French
18-103 to 18-105
Hartmann
18-107 to 18-111
Hartmann
18-113 to 18-120
Krause
18-121
Krause-Voss
18-122
Hartmann
18-123 to 18-133
Troeltch
18-135 to 18-145
Itard
18-149 to 18-157
Hattmann
18-163 to 18-167
Lange-wild
18-174
Troeltch
18-175
Troeltsch (Wilde)
18-176
