This is one of three shorts which were created at Disney and animated at MGM's animation department led by Harman and Ising. Only the first one, "Merbabies," was released as a Silly Symphony. The other two were then released as Harman and Ising shorts - they were "The Little Goldfish" and this one, "Goldilocks and the Three Bears."
The little girl playing Goldilocks was rotoscoped.
The falling leaves shown are oak leaves. Oak trees were common in Southern California, where the animation studios were located.
The Papa Bear voice seems to be imitating actor Wallace Beery.