viaf :
https://viaf.org/viaf/270609520
Diggle, Martin
(19.. – n. c.)
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Allen Rider Guides — Riding from scratch — Martin Diggle.
Londres, J. A. Allen, 1997.
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Teaching basic jumping — Published in association with the Association of British Riding Schools — Martin Diggle.
Londres, J. A. Allen, 2000.