I have never seen or heard of these before. But, maybe there are some of you that have or even live in one. This link has some great photos and architecural drawings. You can click on the catalog year and it takes you to the entire book to flip through each page. There is also one for furniture.
There are so many houses that I'm still trying to find a duplicate to my layout.
Here is a link that might be useful: Aladdin Homes