Brown calf binding with raised banding, red title plate, gilt decoration and title on the spine.

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Please view the photographs. In original leather binding. De Sacrificiis Libri Duo Judaeorum William Outram Owtram, William [GUILIELMO OUTRAMO) A FOUNDATION TEXT OF THE UNITARIAN CHURCH PRINTED 1677. EXCEEDINGLY RARE. Not in the American Auction Records for 30 years. INFLUENCED BY THE FAMED MICHAEL SERVETUS WHO WAS BURNED ALIVE FOR THE BELIEFS ESPOUSED IN THIS VOLUME The Book: Owtram, William, 1626-1679. De sacrificiis libri duo microform : quorum altero explicantur omnia Judæorum, nonnulla gentium profanarum sacrificia : altero sacrificium Christi : utroque ecclesiæ Catholicæ his de rebus sententia contra Faustum Socinum, ejúsque sectatores defenditur / autore Guilielmo Outramo . London: Richard Chiswell

Guilielmo Outramo was the pen name of William Owtram, a religious author who wrote De Sacrificiis Libri Duo in 1677. The book is a study of ritual sacrifices. “De Sacrificiis Libri Duo” refers to a book titled “Two Books on Sacrifices” written by William Outram, published in 1677, which primarily focused on explaining Jewish sacrifices, comparing them to pagan practices and defending the Catholic Church’s understanding of Christ’s sacrifice against the views of the Socinian movement, particularly Fausto Sozzini.

Fausto Paolo Sozzini (5 December 1539 – 4 March 1604), often known in English by his Latinized name Faustus Socinus was an Italian Renaissance humanist and theologian, and, alongside his uncle Lelio Sozzini, founder of the Nontrinitarian Christian belief system known as Socinianism. His doctrine was developed among the Polish Brethren in the Polish Reformed Church between the 16th and 17th centuries, and embraced by the Unitarian Church of Transylvania during the same period. Fausto Sozzini recollected most of his uncle Lelio’s religious writings by traveling over again his routes throughout early modern Europe, and systematized his Antitrinitarian beliefs into a coherent theological doctrine. His polemical treatise De sacrae Scripturae auctoritate (written in the years 1580s and published in England in 1732, with the title A demonstration of the truth of the Christian religion, from the Latin of Socinius) was highly influential on Remonstrant thinkers such as Simon Episcopius, who drew on Sozzini’s arguments for viewing the sacred scriptures as historical texts.

Michael Servetus ( 29 September 1509 or 1511 – 27 October 1553) was a Spanish theologian, physician, cartographer, and Renaissance humanist. He was the first European to correctly describe the function of pulmonary circulation, as discussed in Christianismi Restitutio (1553). He was a polymath versed in many sciences: mathematics, astronomy and meteorology, geography, human anatomy, medicine and pharmacology, as well as jurisprudence, translation, poetry, and the scholarly study of the Bible in its original languages. He is renowned in the history of several of these fields, particularly medicine. His work on the circulation of blood and his observations on pulmonary circulation were particularly important. He participated in the Protestant Reformation, and later rejected the Trinity doctrine and mainstream Catholic Christology. After being condemned by Catholic authorities in France, he fled to Calvinist Geneva where he was denounced by John Calvin himself and burned at the stake for heresy by order of the city’s governing council.