found: The Prophet's medicine : a creation of the Muslim traditionalist scholars, 1995:title page (Irmeli Perho) preface (submitted this work as her thesis to the University of Helsinki)
found: Islamilainen kulttuuri, 1998:title page (toimittaneet Heikki Palva ja Irmeli Perho)
found: The writings of the Muslim peoples of Northeastern Africa, 2022:title page (Irmeli Perho [co-editor]) back cover (Irmeli Perho; she obtained her Ph. D. at Helsinki in 1995; she joined the Islam in the Horn of Africa Project (IslHorAfr) in 2015; previously, she cataloged Arabic manuscripts for the Royal Library of Copenhagen
found: Islam in the Horn of Africa website, viewed September 12, 2022:link to Team and Contact page (Irmeli Perho; joined the team in July, 2014; the project is based at the University of Copenhagen) - http://islhornafr.eu/contact.html
found: Kylpylälaitos islamilaisessa kulttuurissa, 1985:title page (Irmeli Perho; submitted this work as her master's thesis to the University of Helsinki in 1985)
found: OCLC, September 13, 2022(access point: Irmeli Perho, 1953- ; associated title: Catalogue of Arabic manuscripts)