Rhodehamel, John H. : The Last Best Hope of Earth: Abraham Lincoln and the Promise of America Előjegyzés
Russell, Shirley : Grammar, Structure, and Style. A Practical Guide to Advanced Level English Language Előjegyzés
Naylor, Helen - Murphy, Raymond : Essential Grammar in Use Supplementary Exercises with Answers. Second edition. Előjegyzés
Murphy, Raymond : Essential Grammar in Use with Answers + CD-Rom. 3rd Edition. A Self-Study Reference and Practice Book for Elementary Students of English. Előjegyzés
Brennan, Louis A.: Beginner's Guide to Archaeology: The Modern Digger's Step-By-Step Introduction to the Expert Ways of Unearthing the Past Előjegyzés