Oberholtzer, Ellis Paxson Philadelphia; a History of the City and its People, a Record of 225 Years; Volume 4

Oberholtzer, Ellis Paxson The Literary History of Philadelphia

Oberholtzer, Sara Louisa Come for Arbutus

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

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

Oberholtzer, Sara Louisa Come for Arbutus

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

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

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

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

Oberholtzer, Ellis Paxson Jay Cooke: Financier of the Civil War; Volume 2

Oberholtzer, Ellis Paxson A History of the United States Since the Civil War; Volume II