Historical median heights for various countries, 1818-2013
Datasets usually provide raw data for analysis. This raw data often comes in spreadsheet form, but can be any collection of data, on which analysis can be performed.
Dutch, French, Italian (1818-1940): http://www.nber.org/chapters/c7435.pdf
Dutch (1955-2009): http://www.nature.com/pr/journal/v73/n3/pdf/pr2012189a.pdf
Swedish (1841-1952): http://pediatrisk-endokrinologi.no/2008/1/Werner_2008_1.pdf
Danish and Germans (1856-1980): http://privatewww.essex.ac.uk/~hatton/Tim_height_paper.pdf
All 2013 heights: http://www.averageheight.co/average-male-height-by-country
Means and medians are not too different (rarely more than 1 cm difference) because within-country heights for specific gender are generally normally distributed.