Oberholtzer, Sara Louisa Come for Arbutus

Oberholtzer, Sara Louisa Hope's Heart Bells: A Romance

Oberholtzer, Ellis Paxson Robert Morris, Patriot and Financier

Oberholtzer, Ellis Paxson Jay Cooke: Financier of the Civil War; Volume 1

Oberholtzer, Ellis Paxson Jay Cooke: Financier of the Civil War; Volume 1

Oberholtzer, Ellis Paxson The Referendum in America: Together With Some Chapters On the History of the Initiative and Other Phases of Popular Government in the United States

Oberholtzer, Sara Louisa Daisies of Verse

Oberholtzer, Sara Louisa Daisies of Verse

Anonymous Genealogical Record of the Descendants of Martin Oberholtzer: Together With Historical and Biographical Sketches

Oberholtzer, Ellis Paxson Jay Cooke, Financier of the Civil War

Oberholtzer, Ellis Paxson The Literary History of Philadelphia

Oberholtzer, Ellis Paxson The Referendum in America: A Discussion of Law-Making by Popular Vote