MAS ULTRA

MAS UltraOffers articles from high school history magazines, biographies, over 107,000 primary source documents, reference books (including the Columbia Encyclopedia and the CIA World Fact Book); and an Image Collection of over 592,000 photos, maps & flags, color PDFs; and expanded full-text backfiles (back to 1975) for key magazines.

 

Masterfile Premier

Masterfile PremierContains newspaper, journal (professional magazine), magazine articles, and reference book (dictionaries, encyclopedia, thesaurus) notes covering general reference, business, health, education, general science, multicultural issues and much more. Also includes primary source documents and images.