- The Inventor Behind Modern Ballpoint Pen - Pen
- How the Ballpoint Pen Changed Handwriting - Atlantic
- History of the Ballpoint Pen - Owlcation
- A Brief History of the Ballpoint Pen and Whether NASA Really Spent Millions a Instead of Just Pencils
- biro -
- The Biro, the invention that changed writing game
- The Biro, the invention that changed writing game
- You Like Ballpoint Thank the R.A.F. | Air & Space Magazine | Smithsonian Magazine
- The Biro, the Commercially Successful Ballpoint : History Information
- GoPens.com | You Can Thank The Biro
- What I For in a Ballpoint Refill? — The Gentleman Stationer
- Ballpoint - Wikipedia
- A fine line: The evolution of ballpoint pen in Japan - Asia
- Advertisement for the Biro ballpoint pen, costing a staggering 55 shillings -- two pounds and..., Photo, Picture Rights Managed Image. Pic. MEV-10503592 | agefotostock
- Beyond the Trivia-The Ballpoint | KRCG
- Everyday Icon The BIC | design Phaidon
- Bic Biro … View to a Quill 4) | Routine Matters
- The Truth About The Man Invented The Ballpoint
- LASZLO BIRO-INVENTOR OF THE PEN
- Who Invented The Ballpoint Pen? Of A Modern Writing Instrument | Unsharpen
- How Biro Changed the History of Ballpoint
- Ladislao José Biro invented a “miraculous” pen and changed the way we write Vox
- Ballpoint Pen History: Why the Invention Was Such a Big Deal |
- Who Ladislao José Biro? Inventor of the ballpoint pen celebrated Google doodle on 117th birthday - Mirror Online
- The Origin Story of the Ballpoint Pen Mental Floss
- Ballpoint pen | HiSoUR - Hi So Are