Lawrence Marwick, 72, a scholar, author and lecturer who retired last year as head of the Hebraic section of the Library of Congress, died of cardiac arrest Oct. 17 at Suburban Hospital. He lived in Chevy Chase.

Dr. Marwick's career at the library spanned 30 years. He was fluent in a number of Semitic languages as well as Yiddish, Polish, Russian and German. He was instrumental in acquiring the library's collection of Hebraica, Judaica and Semitica.

He also was an adjunct professor of Arabic and Islamic studies at Dropsie College for Hebrew and Cognate Learning in Philadelphia.

He wrote several books dealing with the Bible, the Dead Sea Scrolls and Jewish history, as well as articles on Judeo-Arabic commentaries and their authors and a bibliography of "American Yiddish Folksongs."

Dr. Marwick was born in Poland. He earned bachelor's and master's degrees from the University of Chicago and a doctorate from Dropsie College.

Survivors include his wife, the former Claire Sklaroff, of Chevy Chase; a son, David, of Silver Spring; a daughter, Ellen Zimmerman of Indianapolis; a brother and two sisters in Israel, and five grandchildren. CAPTION: Lawrence Marwick Lawrence Marwick, 72

Lawrence Marwick, 72, a scholar, author and lecturer who retired last year as head of the Hebraic section of the Library of Congress, died of cardiac arrest Oct. 17 at Suburban Hospital. He lived in Chevy Chase.

Dr. Marwick's career at the library spanned 30 years. He was fluent in a number of Semitic languages as well as Yiddish, Polish, Russian and German. He was instrumental in acquiring the library's collection of Hebraica, Judaica and Semitica.

He also was an adjunct professor of Arabic and Islamic studies at Dropsie College for Hebrew and Cognate Learning in Philadelphia.

He wrote several books dealing with the Bible, the Dead Sea Scrolls and Jewish history, as well as articles on Judeo-Arabic commentaries and their authors and a bibliography of "American Yiddish Folksongs."

Dr. Marwick was born in Poland. He earned bachelor's and master's degrees from the University of Chicago and a doctorate from Dropsie College.

Survivors include his wife, the former Claire Sklaroff, of Chevy Chase; a son, David, of Silver Spring; a daughter, Ellen Zimmerman of Indianapolis; a brother and two sisters in Israel, and five grandchildren.Picture, LAWRENCE MARWICK