Thereafter, while he concentrated in writing "Jinjakakuroku" (historical investigation book of old shrines), he sometimes supported royalist political reformers, and his name appears in Shoin YOSHIDA's "Ryukonroku" (A Record of Leaving My Soul in this World) as 'Suzuka Chiku-Seki Nishu' (Suzuka family in two provinces: Chikuzen and Iwami) (Chikushu (Chiku) indicates Tsuratane (of Chikuzen no kami), and Sekishu (Seki) indicates his son Iwami no kami (Governor of Iwami Province) Nagaari).
以後、『神社覈録』の著述に専念するかたわら、勤王として志士達を庇護することもあり、吉田松陰の『留魂録』にも「鈴鹿筑石二州」とその名が見える（筑州は連胤（筑前守）、石州は子の石見守長存のこと）。