Single page from the North American Growth and Development Longitudinal Standards, 'Height, distance and velocity-Girls', by J Tanner and P.S.W Davies, first published 1985. Single page from the North American Growth and Development Longitudinal Standards 1985
Two pads of graph forms for the North American Growth and Development Longitudinal Standards, 'Height, distance and velocity-Girls', by J Tanner and P.S.W Davies, first published 1985. North American Growth and Development chart, 1985 1985