Bankmill project (directed by Penicuik Community Development Trust)
Kosmoid (general info on Penicuik)
Confederation of Paper Industries
Sapphire (Scottish Archive of Printing and Publishing History and Records - Papermaking in the Water of Leith Project)
Penicuik Papermaking (a papermaking history by the Penicuik Historical Society)
(much more to add here inc Vacluse)