The rest of these are videos. This one is a series of floor exercises from Michelle Kenway, a Physiotherapist:
These are done seated and standing in the beginning before moving to the floor:
This video -like the one above- is a set of exercises from Doctor Jo for hip arthritis:
These are Doctor Jo's exercises for osteoporosis, but focus on the hip:
These physical therapists demonstrate three hip-strengthening exercises:
It's sometimes hard to divide these exercises into categories, because some of the videos I use are more generally for lower body strength, but these do target the hips.