Databases & E-Reference Materials

Full text of the rolls of parliament (translated and in the original Latin, Anglo-Norman or Middle English). The rolls were the official records of the meetings of the English parliament from the reign of Edward I (1272) until the reign of Henry VII (1509).

Access the electronic version of the first edition of Jacques-Paul Migne's Patrologia Latina, published between 1844 and 1855, and the four volumes of indexes published between 1862 and 1865. Full text is available.

Reference work for toxicological information on a large number of industrial chemicals that pose potential health hazards. Contents include CAS numbers, physical and chemical properties, exposure limits, and biological tolerance values for occupational exposures.

This database provides access to resources covering the global influence of oil, gas, and other resources. Explore the technological trends and related scientific knowledge surrounding the extraction, refining, transportation, and impact of petroleum products. Petroleum Source provides abstracts for over 100 journals, magazines, and trade publications and full text access to 93 of those. As of 2025, Petroleum Source replaces the discontinued Petroleum Abstracts. 

Philosopher's Index covers all major fields of philosophy. Materials indexed include books, book reviews, and articles from more than 400 scholarly journals. Articles indexed come from over 35 countries and span 37 different languages, including English, Spanish, German, and French.

Provides access to peer-reviewed surveys of the most important research and current thinking from across the entire discipline of philosophy. Full text is available.

Archives the historical African-American newspaper, Pittsburgh Courier, including full page digital reproductions of every page from all available issues. Full text is available.

This online research platform, covering 25 legal practice areas, offers full text access to over 100,000 documents, including PLI Press treatises, course handbooks, answer books, transcripts, forms, and journals.

Provides hundreds of thousands of classic and contemporary poems, as well as short stories, dramatic works, audio recordings, video content, biographies and essays on such topics as poetic forms, movements, and techniques. Includes teaching and learning guides, and lesson plans from the Poetry Foundation. Some full text is available.

Presents full-text literary criticism on the works of poets of all nations, cultures, and time periods. Critical essays are selected from leading sources, including published journals, magazines, books, reviews, diaries, newspapers, broadsheets, pamphlets, and scholarly papers.