In Fall, 1977, a survey was conducted on requirements for secondary teachers in the area of reading instruction. Information from state certifying agencies show a majority of states have some requirements. The results of the survey, when compared to results of two earlier surveys, show increasing interest in secondary reading.
Lamberg, W. J. (1978). Required Preparation in Reading for Secondary Teachers. Reading Horizons: A Journal of Literacy and Language Arts, 18 (4). Retrieved from https://scholarworks.wmich.edu/reading_horizons/vol18/iss4/14