STANISLAS LESZCZYNSKI (1677-1766) King of Poland, then Duke of Lorraine. L.S., Lunéville April 8, 1756, to "Président et Docteurs agregés au Collège roïal des Medecins de Nancy"; 1page folio, addressed with seal of arms under paper. Convocation of the Collège de Médecine in Nancy, to elect a new candidate for the vacant chair at Pont-à-Mousson... "for this purpose, I have appointed the President and two of the oldest members of the college, Sr Platel and Salmon, as commissioners and judges of the said competition, to whom I have added Sr. Lallemand Docteur regent en la faculté de Paris, who together with the current Professors of Pont à Mousson, who will be entitled to give their vote, will decide on the scientific superiority of the candidate most worthy of obtaining the vacant chair"...