Which preposition to use with concurrent

with Occurrences 8%

The silver operation was carried on concurrent with a supply of bullion to Russia for a loan, a demand for silver in Austria, and for shipment to India, and it did really produce an effect on the silver market, which many mistook for the influence of Californian gold.

in Occurrences 4%

Hence it follows that it is the first part of the clause only which gives a power which affects in any manner the power remaining to the States, as the power to raise money from the people, whether it be by taxes, duties, imposts, or excises, though concurrent in the States as to taxes and excises must necessarily do.

to Occurrences 1%

Thrice happy, if you can but find Her equal balance poise your mind: All diff'rent graces soon will enter, Like lines concurrent to their center.

Which preposition to use with  concurrent