Books in German/English:
- Handbuch Philippinen: Gesellschaft - Politik - Wirtschaft - Kultur, Niklas Reese
- Philippinen Reise-Handbuch, Jens Peters
- Conversational Tagalog, Teresita V. Ramos
- Modern Tagalog, Teresita V. Ramos
- Tagalog - English Dictionary and English - Tagalog Dictionary, Father Leo James English, C.Ss.R.
- Tagalog für Anfänger, L. Bugayong