Which preposition to use with imprimatur

of Occurrences 4%

It bears the imprimatur of the staff of the army; and its preface is written by an officer who wasand so signs himselfchief of the historical section of that department.

for Occurrences 1%

Until then a firm, resolute, and patriotic stand was made by the Cartesian Vortices; whilst only forty years previously, this same Cartesian philosophy had been forbidden in the French schools; and now in turn d'Agnesseau, the Chancellor, refused Voltaire the Imprimatur for his treatise on the Newtonian doctrine.

Which preposition to use with  imprimatur