Richman, Milton. "Couple of Revolutionaries: Wilhelm and Brock Earned Shrine Spots". Los Angeles Times. January 13, 1985. Retrieved December 13, 2018. "While with the Cubs in 1962, Brock became one of only five known players to hit a ball into the right center field bleachers in the Polo Grounds. The ball Brock hit in a game with the Mets traveled nearly 500 feet. The only others to reach those bleachers in a regular National League game were Hank Aaron and Joe Adcock. Luke Easter deposited a ball in those bleachers while he was playing in the Negro leagues and Schoolboy Rowe also did during batting practice before an Old Timers' game [sic]. "
Sheehan, Joseph. "Adcock Homer to Bleachers in Center Helps Braves Top Giants". The New York Times. April 30, 1953. Retrieved December 13, 2018. "Bobby [Thomson] chased the soaring drive all the way to the four-foot wall in front of the open stand to the left of the clubhouse corridor. [...] It landed ten rows up in the stand, after carrying approximately 475 feet. The 483 foot sign on the center-field flagpole supplied the basis for this distance estimate. [...] Schoolboy Rowe, the Detroit pitcher, hit one about where Adcock's landed in batting practice prior to a 1933 exhibition game between the Giants and Tigers. And, in a Negro League contest in 1948, Luke Easter, now with the Indians, deposited a drive in the right-field sector of the divided stand."
Vidmer, Richards. "Giants Subdue Tigers in 11th". New York Herald Tribune. April 9, 1933. Retrieved December 13, 2018. "Rowe didn't exhibit any of his long-distance hitting ability after the game got started, but in the batting practice he parked a ball in the centerfield bleachers."
"Grays Beat Cubans Twice". New York Herald Tribune. July 19, 1948. Retrieved December 13, 2018. "In the nightcap Lucius [sic] Easter, of the winners, blasted a homer into the centerfield bleachers, nearly 500 feet from home plate."
Burley, Dan. "Hits Homer Into PG Bleachers, 490 Ft!". New York Amsterdam News. July 24, 1948. Retrieved December 13, 2018. "Luscious Easter, giant Homestead Grays left fielder, who last Sunday hit the longest home run in memory at the Polo Grounds when he laced a serve by lefthander Pat Scantlebury of the Cubans into the right centerfield bleachers, sixth row, 490 feet from home plate."
Walfoort, Cleon. "Aaron's Epic Homer in 'Book'; Braves Romp, 7–1"[permanent dead link]. Milwaukee Journal. June 19, 1962. Retrieved December 13, 2018. "By a coincidence, Lou Brock of Chicago had become the first player ever to hit a ball into the bleachers to the right of the scoreboard only Sunday when the Cubs played a doubleheader here."
Pro Football Hall of Fame (1984). "Mr. Mara"(PDF). Coffin Corner. 6 (11 and 12). Professional Football Researchers Association: 1–2. Archived from the original(PDF) on November 27, 2010.
Pro Football Hall of Fame (1984). "Mr. Mara"(PDF). Coffin Corner. 6 (11 and 12). Professional Football Researchers Association: 1–2. Archived from the original(PDF) on November 27, 2010.
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