Houghton library. Cambridge, Mass., USA
Sciences de l'information et de la documentation
Houghton library. Cambridge, Mass.
. - http://hcl.harvard.edu/libraries/houghton. - 2010-03-12 Encycl. of library and information science. - . -
Fait partie de "Harvard college library"
Harvard college library. Cambridge, Mass.. Houghton library
World guide to libr., 2008. - . - LCNA. - http://authorities.loc.gov. - 2010-03-12
Harvard university Library. Houghton library. Cambridge, Mass.