SimilarityRank
microfilm 0.906 47102
digitized 0.770 35133
hardcopy 0.746 64105
photocopies 0.740 53623
photocopied 0.720 72087
digitised 0.714 82913
archival 0.713 21260
archives 0.713 9944
hard-copy 0.712 96589
photocopy 0.706 39495
typewritten 0.704 87287
digitize 0.686 62018
bibliographical 0.684 98930
periodicals 0.683 30918
archive 0.682 8777
cataloged 0.680 69904
CD-ROMs 0.680 82200
catalogued 0.676 50407
catalogues 0.676 27573
reprints 0.676 50686
copies 0.675 3967
bibliographic 0.671 45374
journals 0.669 8652
encyclopedias 0.664 65500
bibliographies 0.664 72627