Harl Vincent,
Gray Denim
(1930)
“ Karl shook his head in growing wonder. Truly Rudolph had kept him in ignorance. Or was it his own fault? He had refused to dig into the volumes old Krassin had begged him to read. The broadcasts and the thought machines—well, only those of the purple had access to those. "Hey, Laro!" called the dwarf to his companion, "this mole is as dumb as can be. Doesn't know he's alive hardly. And a Van Dorn!" The two laughed uproariously and Karl raged inwardly. Mole! So that's what they called wearers of the gray! He clenched his fists and rose unsteadily to his feet. ”
