Dedicated to the 19th century Canadian clay tobacco pipe industry.

Devoted to the study and dissemination of information about clay tobacco pipes.

Heather Coleman provides a history of English clay pipe making, and galleries of illustrations of a wide range of pipes categorised by style and period.

German society for clay pipe research: publishes an annual journal and holds annual conferences.

Pijpenkabinet Foundation's pipe museum displays over two-thousand items that encompass the culture of pipe smoking over 25 centuries and five continents.

Examples of Ottoman Empire period clay pipes found in Marseille quarantine harbour, supplies by Philip Gosse. Photographs of pipes and their maker's stamps. Text in French and English.

An article by Craig Cessford from Assemblage, with references and bibliography.