The short story ($ ebook $) upon which the 1990 film Total Recall was based from.
“We Can Remember It for You Wholesale” was first published in the April 1966 issue of The Magazine of Fantasy & Science Fiction
“The Worlds of Philip K. Dick” 56min film
The Blade Runner Experience : The Legacy of a Science Fiction Classic. Will Brooker. Wallflower Press, 2012.