Shèngkě 聖可 = hào of 德玉 Shèngkě Déyù 聖可德玉 (1628–1701). The catalog meta of KR6q0487 credits Shèngkě as the xù preface-writer; this resolves to the 德玉 person-note (Línjì Pòshān-line, abbot of Huáyánsì in Sìchuān, dharma-uncle of 徹御). See 德玉 for full biographical material and the broader work-list.