These are at the Austin Public Library's Austin History Center. (The Austin History Center is located in the original main library building, built in 1933, and overlooks Wooldridge Square Park (LBJ announced his campaign for presidency there)).
Incidentally, the term "science" used to mean all human knowledge, including literature and the fine arts.
Links to previous posts:
A Dino a Day: Day 0: Thundercloud Subs Turkey Trot
A Dino a Day: Day 1: Book People
A Dino a Day: Day 2: Driskill Hotel
A Dino a Day: Day 3: Whole Foods
A Dino a Day: Day 4: Texas State Capitol
A Dino a Day: Day 5: Amy's Ice Creams