Children's Literature

• Essential Guide to Children's Books and their Creators
• Historical Dictionary of Children's Literature
• Oxford Encyclopedia of Children's Literature

Fantasy/Fairy Tales

• Historical Dictionary of Fantasy Literature
• Oxford Companion to Fairy Tales

Mystery

• Oxford Companion to Crime and Mystery Writing
• Whodunit? : A Who's Who in Crime & Mystery Writing

Poetry

• Mid-Victorian Poetry, 1860-1879
• Oxford Companion to Modern Poetry
• Oxford Companion to 20th C Poetry in English

Sayings

• Oxford Dictionary of Phrase and Fable
• Oxford Dictionary of Proverbs
• Oxford Essential Quotations

Science Fiction

• Brave New Words: Oxford Dictionary of Science Fiction
• Historical Dictionary of Science Fiction in Literature

Short Stories

• Columbia Companion to the Twentieth-century American Short Story
• Reader's Companion to the Short Story in English

Women

• Encyclopedia of Feminist Literature
• Historical Dictionary of Lesbian Literature

Other

• Encyclopedia of Christian Literature (includes vol. 1 and 2 in contents)
• Encyclopedia of Holocaust Literature
• Historical Dictionary of Gothic Literature
• Historical Dictionary of the Beat Movement
• The Nibelungen Tradition : An Encyclopedia
• Oxford Companion to World Mythology
• Oxford Dictionary of Plays

Africa

• Columbia Guide to South African Literature Since 1945

Asia

• Ancient and Early Medieval Chinese Literature (reference guide)
• A Dictionary of Chinese Literature
• Historical Dictionary of Modern Chinese Literature
• Historical Dictionary of Modern Japanese Literature and Theater​

Britain

• Cambridge history of English and American literature (18 vols. Covers up to the early 1900s)
• Edinburgh Companion to Scottish Romanticism
• Oxford Companion to Edwardian Fiction
• Oxford Encyclopedia of British Literature
• Oxford Guide to Literary Britain and Ireland 

Canada

• Encyclopedia of Literature in Canada
• Oxford Companion to Canadian Literature

Europe

• Historical Dictionary of French Literature
• Historical Dictionary of German Literature to 1945
• Historical Dictionary of Russian Literature
• Historical Dictionary of Scandinavian Literature and Theater
• New Oxford Companion to Literature in French
• Oxford Companion to German Literature
• Oxford Companion to Italian Literature

Ireland

• Concise Oxford Companion to Irish Literature

Latin America

• Encyclopedia of Twentieth-Century Latin American and Caribbean Literature, 1900–2003
• Historical Dictionary of Latin American Literature and Theater

United States

• Concise Oxford Companion to African American Literature
• Dictionary of Midwestern Literature
• Encyclopedia of American Literature of the Sea and Great Lakes
• Historical Dictionary of Asian American Literature and Theater
• Oxford Companion to American Literature
• Oxford Companion to Women's Writing in the United States
• Oxford Encyclopedia of American Literature

Other

• Oxford Companion to New Zealand Literature
• Third World Women's Literatures : A Dictionary and Guide to Materials in English

• Blake, William: Blake Dictionary
• Brontes: Oxford Companion to the Brontes
• Chaucer: Oxford Companion to Chaucer
• Coleridge, Samuel Taylor: Oxford Handbook of Samuel Taylor Coleridge
• Conrad, Joseph: Oxford Reader's Companion to Conrad
• Crane, Stephen: Stephen Crane Encyclopedia
• Dickens, Charles: Oxford Reader's Companion to Dickens
• Eliot, George: Oxford Reader's Companion to George Eliot
• Erdrich, Louise: Reader's Guide to the Novels of Louise Erdrich