What has the author Dorothy Knight Dix written?

Ruth Adams Knight has written:

'A friend in the dark' -- subject(s): Dogs, Sheep dogs, Blind, Training, Folklore, Inc Seeing Eye

'Word of honor' -- subject(s): Protected DAISY

'Brave Companions' -- subject(s): Dogs, Guide Dogs, Inc Seeing Eye, German shepherd dog, World War, 1939-1945

'Luck of the Irish' -- subject(s): Dogs, Fiction