/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Morrison%2C%20Harold%2C%22&sort_by=relevance&format=rss 2 0 50 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=9976 By Morrison, Harold,.
[Washington, U.S. Govt. print. off., 1939 .
34 p., 1 l. , Caption title. | Contribution from Bureau of entomology and plant quarantine. 23 cm..

]]> Place hold on Taxonomy of some scale insects of the genus Parlatoria encountered in plant quarantine inspection work,

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=9976 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=11615 By Morrison, Harold,.
Washington, D.C. : U.S. Dept. of Agriculture, 1957 .
222 p. ; 24 cm..

]]> Place hold on A selected bibliography of the Coccoidea /

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