Shoghi Effendi (Giachery)
From Bahaipedia

The author of these recollections has written, not a biography, but his personal experiences of Shoghi Effendi (1896-1957), who, on the death of his Grandfather, ‘Abdu’l-Bahá, found himself Guardian of the Bahá’í Faith.
For thirty-six years, Shoghi Effendi bore the daunting responsibilties of his office, guiding and encouraging the Bahá’ís. During the last nine years of his life he developed in Haifa and ‘Akká, the spiritual and administrative institutions of the Bahá’í Faith.
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Bahai.works has a related page:
Shoghi Effendi (Giachery)
Shoghi Effendi: Recollections by Ugo Giachery
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HC 978-0-85398-097-7 (Italian)
SC 978-0-85398-051-9