GEORGE DAHL, 93, the architect whose designs ranged from RFK Stadium to the nation's first drive-in bank in University Park, Tex., and whose design firm was responsible for more than 3,000 architectural projects worth an estimated $3 billion, died July 18 at his home in Dallas. The cause of death was not reported.

Mr. Dahl designed hundreds of buildings across the country, including the first Neiman-Marcus department store in Dallas. He was supervising architect for the 1936 Texas Centennial Exposition at Fair Park.

GILBERTO FREYRE,

87, an internationally acclaimed sociologist and the author of about 120 bookswho as a conservative federal congressman from 1946 to 1951 helped rewrite Brazil's constitution, died July 18 in his native city of Recife, in northeastern Brazil, after a stroke.

His best-known work was the 1933 "Masters and Slaves," a study of the relationship between Brazil's Portuguese colonizers and their African slaves. He expounded the theory that the Portuguese were best able to colonize tropical regions because they had liberal tendencies and Catholic traditions tempered by Moorish and Jewish influences.

HOWARD (MAGGIE) McGHEE,

69, a jazz trumpeter who was a pioneering performer and composer of be-bop music, died July 17 at a hospital in New York City. The cause of death was not reported.

He made his name with Lionel Hampton's band, which he joined in 1941. He went on to be a featured soloist with the orchestras of Andy Kirk, Charlie Barnet, Billy Eckstine and Count Basie. Mr. McGhee recorded a number of classic and innovative performances in the 1940s and early '50s. In the '60s and early '70s, he led a big band in New York.

ANN STANFORD,

70, a poet who won numerous honors and published eight volumes of work and had been a professor of English at California State University in Northridge since 1962, died of cancer July 12 at a hospital in Los Angeles.

Among her volumes were "In Narrow Bound" (1943), "The White Bird" (1949), "The Weathercock" (1956) and "In Mediterranean Air" (1977). Her poems appeared in such magazines as the New Yorker, Atlantic Monthly and Poetry. She also wrote a book on the life of poet Anne Bradstreet. Miss Stanford was a 1969 recipient of the Shelley Memorial Award and was presented with a National Institute of Arts and Letters Award for Literature in 1972.

B. BRADFORD BARNES,

55, a Republican who had just completed his first session of the Delaware General Assembly as speaker of its House of Representatives, died at July 17 at a hospital in Seaford, Del., after an apparent heart attack.

He was elected to the House in 1980 and served as majority whip in 1985 and 1986. Mr. Barnes was a native of Elkins, Va., and an Army veteran. At the time of his death, he was a marketing and sales promotion representative for George & Lynch Inc., a general contacting company based in New Castle, Del.

NELL WAYLAND MARSH,

89, mother of Secretary of the Army and former congressman John O. Marsh Jr. (D-Va.), died July 17 at Rockingham Memorial Hospital in Harrisonburg, Va. The cause of death was not reported.

Mrs. Marsh was born in Augusta County, Va. She attended the old Harrisonburg State Teachers College and taught school in Augusta County, Brookneal, Va., and Reedville, Va. She also had been a part-time librarian in the Harrisonburg public schools.

PIERRE LARDINOIS,

62, who was agriculture minister in three consecutive Dutch governments from 1967 to 1973 before serving four years as commissioner for agriculture in the European Economic Community, died July 16 in The Hague. The cause of death was not reported.

He had been a member of the old Roman Catholic People's Party. In 1977 he joined Rabobank, a major Dutch bank. He retired as its chairman last year.