USEF Dressage Pony Handbook Updated for 2010 by By Jennifer Keeler | Feb 4, 2010, 12:53 PM The USEF Dressage Pony Handbook has now been updated for 2010 and is available for free download from the USEF website at www.usef.org/_IFrames/breedsdisciplines/discipline/alldressage/dressagePonies.aspx.