SCRUM Body of Knowledge (SBOK® Leitfaden) Vierte Edition (4th)
Edusys
Tolkien English Runes - Essay
Per Lindberg
Language and Empiricism - After the Vienna Circle
Siobhan Chapman & Arts & Humanities Research Council (great Britain)
Lexical functional grammar
Peter K. Austin
The Speed Math Bible
Yamada Takumi
Essbare Wildpflanzen: 200 Arten bestimmen und verwenden
Jürgen Guthmann & Roland Spiegelberger