Yes, I’ve got a book full of A5 schems. That probably explains why I like Champs and 5E3s 😆 . I don’t remember seeing 15kOhm, either. What would be really good is if something like schematics heaven on the web had a facility to search + locate caps, resistors etc on a schem; a bit like the “search and replace” function in Word. That’d be a Godsend.