https://library.stcp.ac.in/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Roll%2C%20Erich%22&sort_by=relevance&format=rss 2 0 50 ISBN: https://library.stcp.ac.in/cgi-bin/koha/opac-detail.pl?biblionumber=5052 By Roll Erich.
London Oxford University Press 1950 .
276P 18CM, VIII

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]]> https://library.stcp.ac.in/cgi-bin/koha/opac-detail.pl?biblionumber=5052 ISBN: https://library.stcp.ac.in/cgi-bin/koha/opac-detail.pl?biblionumber=14306 By Roll, Erich.
London : Oxford University Press , 1937 .
276 p.

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