. "Grumman G-23" . "F: Grumman" . "FF-1" . "Grumman XFF-1" . . . . . "Grumman GG" . . . . "FF-2" . . "XFF-1" . . "Fifi" . "FF" . . . . "SF" . "Grumman Goblin fighter" . . "Grumman FF" . . . . . . . "1934" . "Grumman XSF-2" . "Grumman G.23 Goblin" . "116" . "Canadian Car & Foundry AXG1" . "1932" . . "Grumman G.23 Goblin I/''Delf\u00EDn''" . "Grumman FF" . . "Grumman FF/G-5/G-23 Goblin" . . . . . . . "Grumman SF/G-6" . . . .