Medical progress depends on animal models – doesn’t it? Journal of the Royal Society of Medicine 101: 95–98. DOI 10.1258/jrsm.2007.070164 The vast majority of records in the James Lind Library illustrate progress in the evaluation of clinical and public health interventions. Over the past decade we have added records illustrating progress in the evaluation of animal and other pre-clinical research. This record is one of the JLL’s collection of animal and other pre-clinical research.