Since i couldn't find something similar, i made a comparison chart for the most common notebook sizes. : r/notebooks
Journals Size Chart – Coal Creek Leather
Notebook Pharmacy Technician : College Ruled Notebook Size 8.5 X 11 inch 120 page Notebook For Girls Cute Design with Various Tablets On A Blue Background (Paperback) - Walmart.com
Popular Note Systems Page Sizes : r/notebooks
The Complete Guide To Notebook Sizes & Notebook Sizes Chart
Leather Pocket Notebook, Passport Size, 5.1 x 4 inches - Wanderings - Journals and Journeys
Paper and Notebook Sizes Explained | Unsharpen
The Idea behind the Midori Traveler's Notebook System | Midori travelers notebook, Diy travelers notebook, Travelers notebook
Set of 10 Bulk A5 Notebooks 5.5 X 8.3 Inch 60 Pages 30 - Etsy
Notebook & Paper Sizes — Kinokuniya USA
Notebook & Paper Sizes — Kinokuniya USA
Spiral Notebook - 1 Subject College Ruled - 8"x10" MIDNIGHT Black – Hamelin Store
Book size - Wikipedia
The Ultimate Guide To Notebook Sizes - ForMyDesk.com
Kokuyo Campus Notebook - Semi B5 - Dotted 6 mm Rule - Pack of 5 Colors | JetPens