THE YEAR BOOK OF OBSTETRICS AND GYNECOLOGY 1977
ROY M.PITKIN JAMES R.SCOTT1977 年出版470 页ISBN：0815166869
THE YEAR BOOK OF OBSTETRICS AND GYNECOLOGY 1986
ROY M.PITKIN FRANK J.ZLATNIK1986 年出版540 页ISBN：0815166958
THE YEAR BOOK OF OBSTETRICS AND GYNECOLOGY 1979
ROY M.PITKIN FRANK.J.ZLATNIK1979 年出版480 页ISBN：0815166885
Chemistry and biochemistry of marine food products
edited by Roy E. Martin george j.flick donn r.ward1982 年出版474 页ISBN：0870554085
THE YEAR BOOK OF OBSTETRICS AND GYNECOLOGY 1984
ROY M.PITKIN FRANK J.ZLATNIK1984 年出版476 页ISBN：0815166931
THE YEAR BOOK OF OBSTETRICS AND GYNECOLOGY 1980
ROY M.PITKIN FRANK J.ZLATNIK1980 年出版471 页ISBN：0815166893
THE YEAR BOOK OF OBSTETRICS AND GYNECOLOGY 1982
ROY M.PITKIN FRANK J.ZLATNIK1982 年出版481 页ISBN：0815166915
THE TEACHERS' STANDARDS IN THE CLASSROOM THIRD EDITION
ROY BLATCHFORD2017 年出版107 页ISBN：1526404497
DEFAMATION LAW AND SOCIAL ATTITUDES ORDINARY UNREASONABLE PEOPLE
ROY BAKER2011 年出版337 页ISBN：0857939432
