Richard Friedberg

Richard Friedberg's books

An Adventurer's Guide to Number Theory (Dover Books on Mathematics)

3.65 avg rating — 51 ratings

Introduction to United States Revenue Stamps

it was amazing 5.00 avg rating — 1 rating

Linn's Introduction to United States Revenue Stamps (Linn's Handbook Series, No 4)

0.00 avg rating — 0 ratings

The Collector's Handbook For Private Die Proprietary Proofs and Census of the Morton Dean Joyce Collection of These Issues

0.00 avg rating — 0 ratings

An adventurer's guide to number theory

0.00 avg rating — 0 ratings