Mayer K, Wolff E, Clevers H, Ballhausen WG (1995). "The human high mobility group (HMG)-box transcription factor TCF-1: novel isoforms due to alternative splicing and usage of a new exon IXA". Biochim. Biophys. Acta. 1263 (2): 169–72. doi:10.1016/0167-4781(95)00108-s. PMID7640309.
Roose J, Huls G, van Beest M, et al. (1999). "Synergy between tumor suppressor APC and the beta-catenin-Tcf4 target Tcf1". Science. 285 (5435): 1923–6. doi:10.1126/science.285.5435.1923. PMID10489374.