A5 notebook "Make a Mark" made of recycled leather by VENT for Change by WiDDA & Co
Sustainable Earth by Staples Wire Bound Notebook, 1 Subject, 9 1/2 x 6 by Staples : Amazon.de: Stationery & Office Supplies
3 x A5 Eco-Friendly Wirebound Notebook - 240 Pages - Recycled Paper : Amazon.de: Stationery & Office Supplies
6 Best Eco friendly Notebooks For All Your Needs - The Eco Hub
Unruled Notebook (3 Pack): Environmentally Sustainable, Designed by College Students for Visual notetaking, 60 Unlined Perforated Sheets, 8 x 10.5 inches : Amazon.ca: Office Products