Harold Davis gave a few conferences about the Art of Black and White for B&H.
Here are two of our favorites in wich he discuuses the Art of Black and white photography in the digital era. A very interesting topic as except if you own a monochrome camera such as the Leica Monochrome, all the images you are making are in color. The process of converting to Black & White only comes during the processing workflow. In this video, you learn a lot about how to think and envision your images and how to process theimage with intent.
Creative Vision and Craft in Digital Photography
The second video goes more into the real way to create and craft your images. A real must watch for any Black & White photographer.