Five tables list the observed characteristics of 244 northern hemisphere stars recorded in 100 108 A/mm dispersion plates at H-gamma wavelengths. The 5 x 5 deg fields contained a number of suspected weak-metal objects. Listings are divided into peculiar A stars, metallic line and delta Delphini stars, high luminosity objects, Ca II emission stars of the G and K type, and composite spectra.
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W. P. Bidelman (1985) studied this question.