• KOA - M. Stone 

        Author(s):Colorado Agricultural College
        Date:1928-09-29
        A man, wearing a light colored suit, stands next to a grand piano, in front of a large microphone, with his left arm raised over his head and holding papers in his right hand.
      • KOA Station 

        Author(s):Colorado Agricultural College
        Date:1928-09-29
        A young girl plays a violin, along with 2 girls playing a duet on the piano behind her. A small listening audience sits in chairs. A large microphone, with a sign "KOA General Electric", stands in front of the group.
      • KOA Perfomers 

        Author(s):Colorado Agricultural College
        Date:1929-03
        Three of the 7 men hold saxophones in a group, which includes 3 women. They are standing in front of a brick building with a lot of foliage around it.
      • KOA Perfomers 

        Author(s):Colorado Agricultural College
        Date:1929-03
        A young woman, standing in the center of a group of men and women, points her right finger to her right, as 6 gentlemen and 2 ladies listen to her.