Which bibliographic entry would be the most or relevant if you wanted to know more about where an author got his information about the sinking of the titanic?

a) mcdonald, allen. naval laws of the victorian era. harper: new york, 1922.

b) smythe, clark. unsinkable: folly on the titanic little, brown: new york, 1976.

c) young, jennifer d. the flora and fauna of the artic lands harper: new york, 1987.

d) jefferson, cynthia the autobiography of molly brown harcourt: san francisco, 1935.