Elementare geometrie,

by Schwan, W.
Leipzig, Akademische verlagsgesellschaft m.b.h., 1929

Elemntare Geometrie,

by Schwan, W.
Leipzig, Akademische Verlagsgesellschaft, 1929

Wiring simplified : based on the 2014 National Electrical Code /

by Richter, H. P., Schwan, W. Creighton, Hartwell, Frederic P.
Minneapolis, Minnesota ; New Richmond, Wisconsin : Park Publishing, Inc., 2014
44th edition.

Wiring simplified : based on the 2014 National Electrical Code /

by Hartwell, Frederic P., Richter, H. P. (Herbert P.), 1900-1978, Schwan, W. Creighton
Minneapolis, Minnesota ; New Richmond, Wisconsin : Park Publishing, Inc., 2014
Forty fourth edition.

Practical electrical wiring : residential, farm, and industrial /

by Richter, H. P. (Herbert P.), 1900-1978
New York : McGraw-Hill, 1982
12th ed.

Practical electrical wiring : residential, farm, and industrial /

by Richter, H. P. (Herbert P.), 1900-1978
New York : McGraw-Hill, 1996
17th ed.

Practical electrical wiring : residential, farm, and industrial, based on the 1978 National electrical code /

by Richter, H. P. (Herbert P.), 1900-1978
New York : McGraw-Hill, 1978
11th ed. /

Practical electrical wiring : residential, farm, and industrial /

by Richter, H. P. (Herbert P.), 1900-1978
New York : McGraw-Hill, 1987
14th ed.

Practical electrical wiring : residential, farm, and industrial /

by Richter, H. P. (Herbert P.), 1900-1978
New York : McGraw-Hill, 1993
16th ed.

Practical electrical wiring : residential, farm, and industrial /

by Richter, H. P. (Herbert P.), 1900-1978
New York : McGraw-Hill, 1993
Sixteenth edition.

Wiring simplified /

by Richter, H. P. (Herbert P.), 1900-1978
Minneapolis, Minn. : Park Pub., 2008
42nd ed.