Looking for any recordings of the following shows from the 70s and 80s. Please let me know if you can be any help here....

Under the Blue Umbrella
The Polka Dot Door
Under the Yellow Balloon
Square One
Powerhouse
3-2-1 Contact

I have about three discs of 321 Contact episodes and some Canadian shows that aired on PBS in America like "Real All About it" and "It Figures"