Have you seen these?
Edward Dolch, Ph.D. did his work in the 30s and 40s and created at least seven versions of the “Dolch Words” and each of these lists is different. Some of the lists have been re-structured as words to be learned at certain levels. This practice was considered appropriate until
the concept of “literature based instruction” because the norm and “sight words” popped in and out of the stories based upon the needs of the story, not in regard to someone’s list. Read more here
Ada Rosario Dolch | Away with Words: In Pursuit of Authenticity