This is an excellent book for those families researching their southwest Louisiana family lines. The books include Catholic records pertaining to births, baptisms, marriages, deaths, successions (wills/probate records), and some land records. Each entry includes the source information for the record (record number and location of the record such as a church or court house). Birth and baptism records include the name(s) of the sponsors and the maternal and paternal grandparents' names. The books are easy to search as they are arranged in alphabetical order by family surname and includes various spellings of the names with duplicate entries based on both the groom/bride surname as well as surnames of the parents. The various volumes include information on the different parishes (such as the Attakapas Region, St. Landry, St. Martin, Lafayette, Vermilion, etc.) within specified time frames. Records start as early as 1750 and go up to 1890. An an example, Vol. I includes only those records of the Catholic Church - Church and Civil Records of Settlers 1756-1810 - and includes records for Baton Rouge, Franklin, Grand Coteau, New Orleans, Opelousas, Pointe Coupee, St. Martinsville, St. James and St. Gabriel, Louisiana. Other volumes include church and civil records. There are at 42 volumes in the Southwest Louisiana Records book and 12 volumes in the South Louisiana Records books.