Commentary by John Tarrant Roshi.
ftp://coombs.anu.edu.au/coombspapers/otherarchives/electronic-buddhist-archives/buddhism-zen/teachings/tarrant-john/tarrant-teisho-92-09-13.txt
Commentary by Zen Master Seung Sahn on this koan from the Mu Mun Kwan, case number thirteen.
http://www.kwanumzen.com/pzc/oldnewsletter/v06n05-1978-may-DSSN-DukSahnCarryingHisBowls.html