1. German experience with social insurance Author/Creator: Sulzbach, Walter, 1889-1969 Publication/Creation: New York : National Industrial Conference Board, [1947] Resource Type: Book Access & Availability: Loading
2. Die Anfänge der materialistischen Geschichtsauffassung Author/Creator: Sulzbach, Walter, 1889-1969 Publication/Creation: Karlsruhe i.B. [Germany] : G. Braunsche Hofbuchdruckerei, 1911 Resource Type: Book Access & Availability: Loading