He was interested in compiling historical materials, and decided to recompile the family tradition lost during the Great Fire of Tenmei, writing 'A Family Tree of the Okumura Family' and two volumes of 'A Record of Colors and Sizes of Mounting Preferred by the House of Sen,' producing important historical materials concerning styles of tea utensils and tea party rules for posterity.
史料編纂に興味を持ち、天明の大火で失った家伝の再編纂を決意、「奥村家系図」、「千家御好表具并諸色寸法控」乾巻・坤巻を著し、茶道具の様式や、茶会のルールなど、貴重な資料を後世に伝える功績を残す。