Stephen Van Dulken

British Patents of Invention, 1617-1977: A Guide for Researchers

British Library, Stephen Van Dulken, B. Library, 1999 .

Inventing the 19th Century: 100 Inventions That Shaped the Victorian Age from Aspirin to the Zeppelin

Stephen Van Dulken, S. V. Dulken, 2001 .

Inventing the 20th century : 100 inventions that shaped the world : from the airplane to the zipper

Andrew Phillips, Stephen Van Dulken, S. V. Dulken, 2000 .

Introduction to Patents Information

Stephen Van Dulken, 1990 .