Mo. Rev. Stat. § 59.440

The recorder of each county in this state shall keep in his office a well-bound book or books, to be known as "The Abstract and Index of Deeds", which shall have appropriate columns properly ruled and headed for each of the following items, namely: Names of grantors and grantees, date of instrument, date of filing instrument for record, nature of instrument, book and page where recorded, description of land conveyed or affected; said books shall be divided into two equal parts, the front part to be alphabetically arranged for the names of grantors, and the back part to be alphabetically arranged for the names of grantees.