TK - Electrical and Nuclear Engineering 5,223
TA - General and Civil Engineering 2,754
T - General Technology 2,309
TR - Photography 2,307
TD - Environmental Technology 1,602
TP - Chemical Technology 1,515
TL - Motor Vehicles and Aeronautics 1,254
TJ - Mechanical Engineering and Machinery 1,124
TX - Home Economics 1,070
TS - Manufactures 877
TH - Building Construction 494
TN - Mining Engineering and Metallurgy 450
TT - Arts and Crafts 391
TC - Hydraulic and Ocean Engineering 226
TF - Railroad Engineering and Operation 73
TE - Highway Engineering 59
TG - Bridge Engineering 42