L.E. Clark: Sound Engineer (Sound)1934-12-01

L.E. Clark: Sound (Sound)1935-09-20

L.E. Clark: Sound Recordist (Crew)1933-07-06

L.E. Clark: Sound Engineer (Sound)1933-11-29

L.E. Clark: Sound Recordist (Crew)1933-11-06

L.E. Clark: Sound Engineer (Sound)1934-07-15

L.E. Clark: Sound Recordist (Crew)1934-10-14

L.E. Clark: Sound Recordist (Crew)1934-08-22

L.E. Clark: Sound Engineer (Sound)1934-12-14

L.E. Clark: Sound Engineer (Sound)1935-01-31

L.E. Clark: Sound Engineer (Sound)1934-05-11

L.E. Clark: Sound Recordist (Crew)1935-03-30

L.E. Clark: Sound Recordist (Crew)1935-07-03

L.E. Clark: Sound Engineer (Sound)1932-09-15

L.E. Clark: Sound Engineer (Sound)1932-07-28