While physical copies are collectors' items, digital versions for study are frequently found on the Internet Archive Key Circuit Categories
Because the book is a classic, it is frequently sought after in digital formats for quick searching: While physical copies are collectors' items
: A pictorial reference of common electronic symbols used in schematics. 510 Amazon India
Master Handbook of 1001 Practical Electronic Circuits (Hardcover) : ₹5,510 Amazon India While physical copies are collectors' items