Published in Quarterly Journal of The Florida Academy of Sciences, in 1950, in volume 11, pages 99-109

Published in Quarterly Journal of The Florida Academy of Sciences, in 1950, in volume 11, pages 119-124

Published in Quarterly Journal of The Florida Academy of Sciences, in 1950, in volume 12, pages 35-44

Published in Quarterly Journal of The Florida Academy of Sciences, in 1950, in volume 12, pages 109-127

Published in Quarterly Journal of The Florida Academy of Sciences, in 1950, in volume 12, pages 173-183

Published in Quarterly Journal of The Florida Academy of Sciences, in 1950, in volume 12, pages 195-201