Encyclopedia of Addictions
Kathryn H. Hollen
Encyclopedia of Mathematics
James Stuart Tanton
Gesammelte Werke
Marquis de Sade
Functionalism (philosophy of mind)
Wikipedia
Useful Dictionary of Verbs With Prepositions
Martin Manser
The International Standard Bible Encyclopedia
James Orr
The New Unger's Bible Dictionary
Merrill F. Unger