Educational Services Corp

year of pub­li­ca­ti­onISBNauthor(s)title
1992978-0-910542-01-2Educational Services Teaching CassettesArabic Language 30
1975978-0-910542-03-6Educational ServicesLanguage/30 Danish: a Conversation Course using a Proven Self-Learning Method; Two Audio Cassettes, and a Phrase Dictionary and Study Guide
1992978-0-910542-57-9Language 30Japanese: Start Speaking Today! (Language/30)
1994978-0-910542-72-2Language 30Vietnamese: Start Speaking Today (Language/30)
1990978-0-910542-76-0   ''Danish: Language 30
1995978-0-910542-83-8Educational ServicesPolish: Language 30 (Polish Edition)
  ''978-0-910542-87-6Language 30Hungarian: Start Speaking Today (Language 30)
  ''978-0-910542-89-0Educational ServicesLatin: Start Speaking Today! (Language 30) (English and Latin Edition)
  ''978-0-910542-90-6Educational ServiceYiddish: Language 30