How can I go about getting information about who decorated the house I grew up in in the 70's?

When I was in the single digit ages in the 70s, my family lived in a one-level suburban house that was already wall-papered and painted inside when we

When I was in the single digit ages in the 70's, my family lived in a one-level suburban house that was already wall-papered and painted inside when we moved into it. How would I go about finding who the decorator was?

or:When I was in the single digit ages in the 70's, my family lived in a one-level suburban house that was already wall-papered and painted inside when we moved into it. How would I go about finding who the decorator was?

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