: Terebess Online provides a comprehensive PDF of the Hekigan-roku translated by the Sanbô Kyôdan Society, including Yamada Koun Roshi's detailed commentaries.
For scholars, the original Chinese text (using classical kanji) is available for free from the SAT Daizokyo Text Database (University of Tokyo). You can download the Taisho Tripitaka Volume 48, Text 2003 as a PDF. This is the raw Biyan Lu without translation. hekiganroku pdf
If you are determined to acquire a , follow these guidelines: : Terebess Online provides a comprehensive PDF of