Jackowe DJ, Moore MK, Bruner AE, Fredieu JR (November 2007). "New insight into the enigmatic white cord in Rembrandt's The Anatomy Lesson of Dr. Nicolaes Tulp (1632)". J Hand Surg Am. 32 (9): 1471–6. doi:10.1016/j.jhsa.2007.07.006. PMID17996787.
IJpma FF, van de Graaf RC, Nicolai JP, Meek MF (2006). "[The anatomy lesson of Dr Nicolaes Tulp by Rembrandt (1632) and the findings during dissection of the forearm of a cadaver: anatomical discrepancies]". Ned Tijdschr Geneeskd. 150 (50): 2756–65. PMID17225789.
Jackowe DJ, Moore MK, Bruner AE, Fredieu JR (November 2007). "New insight into the enigmatic white cord in Rembrandt's The Anatomy Lesson of Dr. Nicolaes Tulp (1632)". J Hand Surg Am. 32 (9): 1471–6. doi:10.1016/j.jhsa.2007.07.006. PMID17996787.
Michiel Koolbergen, "De R van Rembrandt. Waarheen wijst de tang van dokter Tulp?" Trouw, 31 January 1992, 13; this article appeared on the 360th anniversary of the original anatomy lesson by Tulp. See also Jean-Marie Clarke, "The Rembrant Search Party: Overlooking an Elementary Particle of Meaning", Journal of Artistic Research, 11, 2016: https://www.researchcatalogue.net/view/250318/250319