Matches in DBpedia 2014 for { ?s ?p <http://dbpedia.org/resource/Category:Aircraft_piston_engines_1930–1939> . }
- Aeronca_E-113 subject Category:Aircraft_piston_engines_1930–1939.
- Alfa_Romeo_110 subject Category:Aircraft_piston_engines_1930–1939.
- Alfa_Romeo_115 subject Category:Aircraft_piston_engines_1930–1939.
- Alfa_Romeo_121 subject Category:Aircraft_piston_engines_1930–1939.
- Alfa_Romeo_125 subject Category:Aircraft_piston_engines_1930–1939.
- Alfa_Romeo_135 subject Category:Aircraft_piston_engines_1930–1939.
- Alfa_Romeo_D2 subject Category:Aircraft_piston_engines_1930–1939.
- Allison_V-1710 subject Category:Aircraft_piston_engines_1930–1939.
- Allison_V-3420 subject Category:Aircraft_piston_engines_1930–1939.
- Alvis_Leonides subject Category:Aircraft_piston_engines_1930–1939.
- Alvis_Leonides_Major subject Category:Aircraft_piston_engines_1930–1939.
- Alvis_Pelides subject Category:Aircraft_piston_engines_1930–1939.
- Argus_As_410 subject Category:Aircraft_piston_engines_1930–1939.
- Argus_As_8 subject Category:Aircraft_piston_engines_1930–1939.
- Armstrong_Siddeley_Cheetah subject Category:Aircraft_piston_engines_1930–1939.
- Armstrong_Siddeley_Deerhound subject Category:Aircraft_piston_engines_1930–1939.
- Armstrong_Siddeley_Hyena subject Category:Aircraft_piston_engines_1930–1939.
- Armstrong_Siddeley_Tiger subject Category:Aircraft_piston_engines_1930–1939.
- Avia_Rk.12 subject Category:Aircraft_piston_engines_1930–1939.
- Avia_Rk.17 subject Category:Aircraft_piston_engines_1930–1939.
- BMW_114 subject Category:Aircraft_piston_engines_1930–1939.
- BMW_116 subject Category:Aircraft_piston_engines_1930–1939.
- BMW_117 subject Category:Aircraft_piston_engines_1930–1939.
- BMW_132 subject Category:Aircraft_piston_engines_1930–1939.
- BMW_801 subject Category:Aircraft_piston_engines_1930–1939.
- Blackburn_Cirrus_Major subject Category:Aircraft_piston_engines_1930–1939.
- Blackburn_Cirrus_Midget subject Category:Aircraft_piston_engines_1930–1939.
- Blackburn_Cirrus_Minor subject Category:Aircraft_piston_engines_1930–1939.
- Bramo_323 subject Category:Aircraft_piston_engines_1930–1939.
- Bristol_Aquila subject Category:Aircraft_piston_engines_1930–1939.
- Bristol_Centaurus subject Category:Aircraft_piston_engines_1930–1939.
- Bristol_Draco subject Category:Aircraft_piston_engines_1930–1939.
- Bristol_Hercules subject Category:Aircraft_piston_engines_1930–1939.
- Bristol_Hydra subject Category:Aircraft_piston_engines_1930–1939.
- Bristol_Neptune subject Category:Aircraft_piston_engines_1930–1939.
- Bristol_Pegasus subject Category:Aircraft_piston_engines_1930–1939.
- Bristol_Perseus subject Category:Aircraft_piston_engines_1930–1939.
- Bristol_Taurus subject Category:Aircraft_piston_engines_1930–1939.
- Béarn_6 subject Category:Aircraft_piston_engines_1930–1939.
- CNA_C-7 subject Category:Aircraft_piston_engines_1930–1939.
- CNA_C.II subject Category:Aircraft_piston_engines_1930–1939.
- CNA_C.VI subject Category:Aircraft_piston_engines_1930–1939.
- CNA_D subject Category:Aircraft_piston_engines_1930–1939.
- Carden-Ford subject Category:Aircraft_piston_engines_1930–1939.
- Continental_A40 subject Category:Aircraft_piston_engines_1930–1939.
- Continental_R-670 subject Category:Aircraft_piston_engines_1930–1939.
- Continental_XI-1430 subject Category:Aircraft_piston_engines_1930–1939.
- Daimler-Benz_DB_600 subject Category:Aircraft_piston_engines_1930–1939.
- Daimler-Benz_DB_600_series subject Category:Aircraft_piston_engines_1930–1939.
- Daimler-Benz_DB_601 subject Category:Aircraft_piston_engines_1930–1939.
- Daimler-Benz_DB_602 subject Category:Aircraft_piston_engines_1930–1939.
- Daimler-Benz_DB_604 subject Category:Aircraft_piston_engines_1930–1939.
- De_Havilland_Gipsy_Major subject Category:Aircraft_piston_engines_1930–1939.
- De_Havilland_Gipsy_Minor subject Category:Aircraft_piston_engines_1930–1939.
- De_Havilland_Gipsy_Queen subject Category:Aircraft_piston_engines_1930–1939.
- De_Havilland_Gipsy_Six subject Category:Aircraft_piston_engines_1930–1939.
- De_Havilland_Gipsy_Twelve subject Category:Aircraft_piston_engines_1930–1939.
- ERCO_I-L_116 subject Category:Aircraft_piston_engines_1930–1939.
- Fairey_Monarch subject Category:Aircraft_piston_engines_1930–1939.
- Fairey_Prince_(H-16) subject Category:Aircraft_piston_engines_1930–1939.
- Fairey_Prince_(V-12) subject Category:Aircraft_piston_engines_1930–1939.
- Fiat_A.54 subject Category:Aircraft_piston_engines_1930–1939.
- Fiat_A.74 subject Category:Aircraft_piston_engines_1930–1939.
- Fiat_A.80 subject Category:Aircraft_piston_engines_1930–1939.
- Franklin_2_series subject Category:Aircraft_piston_engines_1930–1939.
- Franklin_4_series subject Category:Aircraft_piston_engines_1930–1939.
- Franklin_6_series subject Category:Aircraft_piston_engines_1930–1939.
- Gnome-Rhône_14M subject Category:Aircraft_piston_engines_1930–1939.
- Gnome-Rhône_14N subject Category:Aircraft_piston_engines_1930–1939.
- Gnome-Rhône_18L subject Category:Aircraft_piston_engines_1930–1939.
- Heath-Henderson_B-4 subject Category:Aircraft_piston_engines_1930–1939.
- Hiro_Type_91_(engine) subject Category:Aircraft_piston_engines_1930–1939.
- Hiro_Type_94_(Engine) subject Category:Aircraft_piston_engines_1930–1939.
- Hirth_HM_500 subject Category:Aircraft_piston_engines_1930–1939.
- Hirth_HM_504 subject Category:Aircraft_piston_engines_1930–1939.
- Hirth_HM_506 subject Category:Aircraft_piston_engines_1930–1939.
- Hirth_HM_508 subject Category:Aircraft_piston_engines_1930–1939.
- Hirth_HM_512 subject Category:Aircraft_piston_engines_1930–1939.
- Hispano-Suiza_12X subject Category:Aircraft_piston_engines_1930–1939.
- Hispano-Suiza_12Y subject Category:Aircraft_piston_engines_1930–1939.
- Hispano-Suiza_12Z subject Category:Aircraft_piston_engines_1930–1939.
- Hispano-Suiza_14AA subject Category:Aircraft_piston_engines_1930–1939.
- Hitachi_Hatsukaze subject Category:Aircraft_piston_engines_1930–1939.
- IAR_K14 subject Category:Aircraft_piston_engines_1930–1939.
- Isotta_Fraschini_Asso_XI subject Category:Aircraft_piston_engines_1930–1939.
- Jacobs_R-755 subject Category:Aircraft_piston_engines_1930–1939.
- Jacobs_R-830 subject Category:Aircraft_piston_engines_1930–1939.
- Jacobs_R-915 subject Category:Aircraft_piston_engines_1930–1939.
- Junkers_Jumo_205 subject Category:Aircraft_piston_engines_1930–1939.
- Junkers_Jumo_210 subject Category:Aircraft_piston_engines_1930–1939.
- Junkers_Jumo_211 subject Category:Aircraft_piston_engines_1930–1939.
- Junkers_Jumo_222 subject Category:Aircraft_piston_engines_1930–1939.
- Junkers_L88 subject Category:Aircraft_piston_engines_1930–1939.
- Kawasaki_Ha40 subject Category:Aircraft_piston_engines_1930–1939.
- Kinner_B-5 subject Category:Aircraft_piston_engines_1930–1939.
- Kinner_C-5 subject Category:Aircraft_piston_engines_1930–1939.
- Kinner_K-5 subject Category:Aircraft_piston_engines_1930–1939.
- Kinner_R-5 subject Category:Aircraft_piston_engines_1930–1939.
- Klimov_M-103 subject Category:Aircraft_piston_engines_1930–1939.
- Klimov_M-105 subject Category:Aircraft_piston_engines_1930–1939.