File:Vintage Advertising - Parker Pen Company, Janesville, WI, "From Harvard to Southern California, Parker Was Voted the College Favorite", Parker Vacumatic, From Collier's Magazine, June 15, 1935 (9719783624).jpg - Wikimedia Commons
Parker Vacumatic - Wikipedia
Parker Pens - Embellished with the enduring Ciselé pattern of 1963, Parker Sonnet brings beauty to the page every time you write. Sophisticated and classically elegant, who will you be gifting with
Parker Pen Company - Wikipedia
Parker Pen Company - Wikipedia
File:Sonnet parker in box 3n06.jpg - Wikimedia Commons
Fountain Pen and Ink Manufacturers: Fountain Pen, Cartier Sa, Lamy, Montblanc, Faber-Castell, Pilot, Conway Stewart, Parker Pen Company by Source Wikipedia | Goodreads