Which preposition to use with recommendatory

of Occurrences 1%

Yet at this time, with all his aspirations after a state of greater perfectness, he was not able to bear the candour of Langton, who, when Johnson him desired to tell him sincerely wherein he had observed his life to be faulty, brought him a sheet of paper, on which were written many texts of Scripture, recommendatory of Christian meekness.

to Occurrences 1%

Understanding that his letters recommendatory to a number of friends and his letter of credit to furnish me with the necessary money, which he had failed to give me before the ship sailed, were with the rest of his despatches, I asked the captain for them, and when we came into the Channel he let me examine the bag.

Which preposition to use with  recommendatory