Red Caps

A regional term for crack cocaine
References in classic literature ?
They fancied a legion of hobgoblins let loose upon them, and that they saw, by the fitful gleams of the scattered embers, strange figures, in red caps, gibbering and ramping around them.
It's been unoccupied time out of mind, and stands in a lonely part of the coast, but those who fish in the neighborhood have often heard strange noises there, and lights have been seen about the wood at night, and an old fellow in a red cap has been seen at the windows more than once, which people take to be the ghost of the body buried there.
Nearly all of them wore colored caps; there were white caps, green caps, blue caps, red caps, and bright-yellow ones; so, all the five corps were present in strong force.
He saw the whips in their red caps galloping along the edge of the ravine, he even saw the hounds, and was expecting a fox to show itself at any moment on the ryefield opposite.
Having provided everything necessary for our journey, such as Arabian habits, and red caps, calicoes, and other trifles to make presents of to the inhabitants, and taking leave of our friends, as men going to a speedy death, for we were not insensible of the dangers we were likely to encounter, amongst horrid deserts, impassable mountains, and barbarous nations, we left Goa on the 26th day of January in the year 1624, in a Portuguese galliot that was ordered to set us ashore at Pate, where we landed without any disaster in eleven days, together with a young Abyssin, whom we made use of as our interpreter.
There was Gill o' the Red Cap, the Sheriff's own head archer, and Diccon Cruikshank of Lincoln Town, and Adam o' the Dell, a man of Tamworth, of threescore years and more, yet hale and lusty still, who in his time had shot in the famous match at Woodstock, and had there beaten that renowned archer, Clym o' the Clough.
Soon after, the jolly-boat shoved off and pulled for shore, and the man with the red cap and his comrade went below by the cabin companion.
So twelve fairies came, each with a high red cap on her head, and red shoes with high heels on her feet, and a long white wand in her hand: and after the feast was over they gathered round in a ring and gave all their best gifts to the little princess.
On his bald head was perched a little, round, red cap held in place by a rubber elastic underneath his chin.
Defarge came in breathless, pulled off a red cap he wore, and looked around him
The red cap of one of the sailors hung to a point of the rock and some timbers that had formed part of the vessel's keel, floated at the foot of the crag.
He was in his shirt, which was not long enough in front to cover his thighs completely and was six fingers shorter behind; his legs were very long and lean, covered with hair, and anything but clean; on his head he had a little greasy red cap that belonged to the host, round his left arm he had rolled the blanket of the bed, to which Sancho, for reasons best known to himself, owed a grudge, and in his right hand he held his unsheathed sword, with which he was slashing about on all sides, uttering exclamations as if he were actually fighting some giant: and the best of it was his eyes were not open, for he was fast asleep, and dreaming that he was doing battle with the giant.