id	domain	url
cpos-305	www.comparativepopulationstudies.de	www.comparativepopulationstudies.de
cpos-305	www.demogr.mpg.de	http://www.demogr.mpg.de/cgi-bin/databases/fampoldb/index.plx
cpos-305	www.jstor.org	http://www.jstor.org/stable/30039013
cpos-305	www.oecd.org	http://www.oecd.org/education/school/earlychildhoodeducationandcare.htm
cpos-305	databank.worldbank.org	http://databank.worldbank.org/
cpos-305	www.popcenter.umd.edu	https://www.popcenter.umd.edu/mprc-associates/fgoldsch
cpos-305	www.sv.uio.no	https://www.sv.uio.no/iss/english/people/aca/trudelap
cpos-305	www.comparativepopulationstudies.de	www.comparativepopulationstudies.de