Languages

General

• Polyglot: How I Learn Languages

English

• The Good Grammar Book
• The Probert Dictionary of Slang
• Phrasal verbs
• Dictionary of American Slang and Colloquial Expressions - Richard A. Spears

German

• The Complete Idiots Guide to Learning German
• Basic German
• Intermediate German
• Practice Grammar of German
• German: An Essential Grammar
• Modern German Grammar
• PONS Grosswoerterbuch Deutsch als Fremdsprach
• Verbtabellen
• Trennbare Verben
• German Prepositions
• Präpositionen
• Übungsgrammatik Deutsch als Fremdsprache für Fortgeschrittene
• Ziel B2-1 Kurssbuch
• Audio
• Ziel B2-1 Arbeitsbuch
• Audio
• Ziel B2-1 Kurssbuch
• Audio
• Ziel B2-1 Arbeitsbuch
• Audio
• Passwort Deutsch 1
• Audio
• Passwort Deutsch 2
• Audio
• Passwort Deutsch 3
• Audio
• Passwort Deutsch 4
• Audio
• Passwort Deutsch 5
• Audio

Hungarian

• Hungarian essential grammar
• Teach Yourself Hungarian
• Debreceni cívis szótár
• The rise and fall of Hungarian complex tenses
• Igeidők a magyarban, különös tekintettel a múlt időkre

Swedish

• A Brief Swedish Grammar
• A Short Introduction to Swedish Grammar
• Colloquial Swedish
• Audio
• Svenska utifrån
• Exercise Book 1
• Exercise Book 2
• Audio
• Swedish Essential Grammar
• Swedish A Comprehensive Grammar
• Ordfoljdsexempel
• Sjo-ljudet
• Verb i pluralis
• Bestämd eller obestämd form
• Mera om bestämd och obestämd form
• Swedish - English Dictionary (Java)
• Swedish - English Dictionary (php)

Danish

• Colloquial Danish
• Audio

Dutch

• Basic Dutch - A Grammar and Workbook Oosterhoff Routledge 2009
• Intermediate Dutch - A Grammar and Workbook Oosterhoff Routledge 2009
• Dutch - A Comprehensive Grammar Donaldson Routledge 2008
• Teach Yourself Dutch
• Audio
• Teach Yourself Dutch Grammar
• Er

Icelandic

• Colloquial Icelandic The Complete Course for Beginners
• CD1
• CD2
• Teach yourself Icelandic
• Audio
• Icelandic Grammar Texts Glossary

Russian

• A Basic Modern Russian Grammar
• A Reference Grammar of Russian
• Colloquial Russian 2
• Using Russian - A Guide to Contemporary Usage, 2nd Ed
• Picture Dictionary Russian
• Приключения иностранцев в России - Рассказы для чтения и обсуждения
• Приключения иностранцев в России - Рассказы для чтения и обсуждения - Отредактировано
• Фактрум
• How to Pronounce Russian Correctly
• Audio

Ukrainian

• Colloquial Ukrainian
• Audio