The Oxford Dictionary of Quotations by Angela Partington (Editor) This book is organized strictly by author. There are very detailed attributions (Scene numbers, page numbers, etc.). Another benefit of this book is the fact that foreign quotes are first listed in the original language, then translated into English. This is wonderful for all of those Latin quotes people throw into conversation all the time. [More Reference Quotation Books]
The Cambridge Biographical Dictionary by David Crystal (Editor) This book provides information about the people who are quoted every day. Many times I get an email asking for more information about a certain person from the Quote of the Day page. We can't answer these, but this book is likely to with biographies of over 14,000 people. [More Other Reference Books]
