The collections of the Advocates Library, with the exception of its legal books and manuscripts, were given by the Advocates to the National Library of Scotland in 1925.

The Guide to Irish Fiction has led to the identification of hundreds of unknown or forgotten Irish authors and their works, and provides thousands of summaries of novels and anthologies. Carefully documented, the book presents details of the publication of Irish fiction in Ireland, England, North America, Australia, as well as several other European countries. Written for literary scholars and students and for anyone interested in Ireland and its literature, this book also constitutes and essential tool for historians, librarians, collectors of Irish books, and antiquarian booksellers.

The Negro Motorist Green Book was a groundbreaking guide that provided African American travelers with crucial information on safe places to stay, eat, and visit during the era of segregation in the United States. This essential resource, originally published from 1936 to 1966, offered a lifeline to black motorists navigating a deeply divided nation, helping them avoid the dangers and indignities of racism on the road. More than just a travel guide, The Negro Motorist Green Book stands as a powerful symbol of resilience and resistance in the face of oppression, offering a poignant glimpse into the challenges and triumphs of the African American experience in the 20th century.