'Abdu'l-Bahá's Will and Testament consists of three parts - all three written in His own hand. The first one was revealed around 1905 and the second and third sometime around 1907.
See also the official version at bahai.org. A scan of the Persian original is online here. See also a scan of the first official English edition, sent to a select number of Bahá'ís in the United States and Canada in February 1925.
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