In love scene, Clark takes off Sara's shirt. Next shot, shirt is still on. Next shot, it's off again.
When Clark reaches out for the bell at the very beginning, he does so with his left hand. In the next shot, he hits it with his right hand.
The metal Institute has its opening in 1916 on the sign that is seen as the new doctor is walking in. But the red haired woman who greets him says it opened in 1918.
When Clark is first in Dr. Franks office, he looks over the books on the shelf. One of them is labeled "Psychoterapy Pratctices" by Dr. Jess Williams." Obviously it should be spelled "Psychotherapy Practices."