AN ACT TO AMEND CERTAIN SECTIONS OF ACT NUMBERED TWENTY-NINE HUNDRED AND FIFTY-SEVEN, ENTITLED "AN ACT CREATING A BOARD TO HAVE CHARGE OF THE SELECTION AND APPROVAL OF THE TEXTBOOKS TO BE USED BY THE COLLEGES AND SCHOOLS OF THE GOVERNMENT, AND FOR OTHER PURPOSES," AS AMENDED BY ACT NUMBERED THIRTY-ONE HUNDRED AND EIGHTY-FIVE, THIRTY-FOUR HUNDRED AND TWO, AND THIRTY-SEVEN HUNDRED AND SEVENTY-TWO