1. Zakrzewska, Marie E. (Marie Elizabeth), 1829-1902 - A Letter from Marie E. Zakrzewska, M.D. Late of Berlin, Prussia
2. Zangwill, Israel, 1864-1926
   • A Study of a Peculiar People
   • The Grey Wig: Stories and Novelettes
   • Without Prejudice
3. Zemin, J. S. [Editor]
   • A Woman's Love Letters
   • Captured by the Navajos
4. Zerbe, James Slough, 1850- - Aeroplanes
5. Zielinska, Marie H. de [Translator]
   • 1001 Questions and Answers on Orthography and Reading
   • A Florida Sketch-Book
   • A Life of Gen. Robert E. Lee
   • America's War for Humanity
   • Annie Kilburn : a Novel
   • Boys and girls from Thackeray
   • Daddy Takes Us Skating
   • Froude's History of England
   • Fun and Nonsense
   • Harlequin and Columbine
   • Literary and General Lectures and Essays
   • Love's Pilgrimage
   • Marie; a story of Russian love
   • Poems in Two Volumes, Volume 1
   • Punchinello, Volume 2, No. 35, November 26, 1870
   • Roden's Corner
   • Scientific American Supplement, No. 363, December 16, 1882
   • Scientific American Supplement, No. 799, April 25, 1891
   • The Abbot
   • The Grandissimes
   • The History of Tom Thumb and Other Stories.
   • The Life and Romances of Mrs. Eliza Haywood
   • The Love Affairs of Great Musicians, Volume 1
   • The Tale of Old Mr. Crow
   • The Two Paths
   • The Wise Mamma Goose
   • Trailin'!
   • Weapons of Mystery
   • What Katy Did at School
   • When the Sleeper Wakes
   • Wild Youth, Volume 1.
   • Young Robin Hood
6. Zimmern, Helen, 1846-1934 [Translator]
   • A Cumberland Vendetta
   • Beyond Good and Evil
   • Beyond Good and Evil
   • Cap'n Abe, Storekeeper
   • Carmen's Messenger
   • Gettysburg Address
   • Hunter Quatermain's Story
   • Hunting the Grisly and Other Sketches
   • Little Journeys to the Homes of American Statesmen
   • New York Times, Current History, Vol 1, Issue 1 From the Beginning to March, 1915 With Index
   • Notes and Queries, Number 06, December 8, 1849
   • Shea's Library of American Linguistics. Volume III.
   • Sisters
   • The English Novel
   • What Is Your Culture to Me?
7. Zitkala-Sa, 1876-1938
   • American Indian stories
   • Old Indian Legends
8. Zollinger, Gulielma
   • A Boy's Ride
   • The Widow O'Callaghan's Boys
9. Zschokke, Heinrich, 1771-1848
   • The Bravo of Venice; a romance