11. Hawaiian Volcano Observatory summary; by Arnold T. Okamura, Robert Y. Koyanagi and Willie T. Kinoshita. Bookmark SuDoc number: I 19.29/2:(nos.)
12. Hawaiian Volcano Observatory summary; by Robert Y. Koyanagi, Marie S. Onouye and Elliot T. Endo. Bookmark SuDoc number: I 19.29/2:(nos.)
13. Hawaiian volcano Observatory summary. Bookmark Corporate/Agency Authors: Geological Survey and Interior Dept. Publisher: Geological Survey SuDoc number: I 19.29/2:(nos.)