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Georgii Ernesti Stahlii Negotium otiosum, seu Skiamachia, adversvs positiones aliqvas fvndamentales, Theoriae verae medicae à viro quodam celeberrimo [i.e. G.W. von Leibniz] intentata, sed adversis armis conversis enervata ... Qui possunt, si volunt, judicanto; qui volunt, sed non possunt, abstinento / [Georg Ernst Stahl]. Public Domain Mark. Source: Wellcome Collection.