"Men Who Make Pictures". The Weekly Wisconsin. August 26, 1885. p. 6. Archived from the original on April 14, 2019. Retrieved November 24, 2017 – via Newspapers.com. Howard Pyle works almost exclusively for the Harpers.
"Men Who Make Pictures". The Weekly Wisconsin. August 26, 1885. p. 6. Archived from the original on April 14, 2019. Retrieved November 24, 2017 – via Newspapers.com. Howard Pyle works almost exclusively for the Harpers.