  Many transiting planet host stars lack high resolution imaging and thus close
stellar sources can be missed. Those unknown stars potentially bias the
derivation of the planetary and stellar parameters from the transit light
curve, no matter if they are bound or not. In addition, bound stellar
companions interact gravitationally with the exoplanet host star, the disk and
the planets and can thus influence the formation and evolution of the planetary
system strongly. We extended our high-resolution Lucky Imaging survey for close
stellar sources by 74 transiting planet host stars. 39 of these stars lack
previous high-resolution imaging, 23 are follow up observations of companions
or companion candidates, and the remaining stars have been observed by others
with AO imaging though in different bands. We determine the separation of all
new and known companion candidates and estimate the flux ratio in the observed
bands. All observations were carried out with the Lucky Imaging camera AstraLux
Norte at the Calar Alto 2.2 m telescope in i' and z' passbands. We find new
stellar sources within 1 arcsec to HAT-P-27, HAT-P-28, HAT-P-35, WASP-76, and
WASP-103, and between 1 and 4 arcsec to HAT-P-29 and WASP-56.
