Ryan's Hope was done in the same studio as DS for it's entire run.
Lela Swift & other DS tech people all worked on it.
In 1976, Nancy Barrett did a month long acting gig on RH, which I taped off the Soap Net reruns.
I can tell you that several props ended up on Ryan's Hope!
In one scene, set in a church, the stained glass window
seen outside the 1840 playroom is quite recognizable, as is the blue vase that moved around between the Collinwood foyer & drawing room.
David