i6o THE NATIONAL PARK SERVICE 



Senn, Nicholas. Our national recreation parks . . . With 

 fifty illustrations. Chicago, W. B. Conkey company, 1904. 

 3 p. 1., II-I47P. 



Yard, Robert S. The book of the national parks. New 

 York, Scribner, 19 13. 420 p. 



Periodical Articles 



Beauty of use: water power resources essential to Pacific 

 states limited by proposed enlargement of national parks. 

 Electrical world, Dec. 18, 1920, v. 76: 120 1-3. 



Bryce, James Bryce, viscount. National parks — the need of 

 the future. Outlook, Dec. 14, 1912, v. 102: 811-5. 



[Commends the management of some of our national parks, and 

 recommends creation of additional parks] 



Chamberlain, A. Scenery as a national asset. Outlook, May 

 28, 1910, V. 95: 157-69. 



[Urges that the government use the national parks as a money- 

 producing asset as Switzerland does] 



Claudy, C. H. Our national parks, playgrounds for the 

 people unsurpassed in the world. Scientific American sup- 

 plement, Nov. II, 1916, V. 82: 312-13. 



[Reports the passage of the National parks service bill and em- 

 phasizes the need for such a service in caring for our parks. In- 

 cludes tabular statements concerning the national parks and monu- 

 ments, administered by the Interior, Agricultural and War de- 

 partments] 



Controversy over use of water of national parks. Engineer- 

 ing news, May 5, 192 1, v. 86: 777-8. 



Curtis, W. E. Our national parks and reservations. Ameri- 

 can academy of political and social science. Annals, March, 

 1910, V. 35 : 231-40. 



[Reserves described are of national forests, national parks, national 

 game preserves, national monuments and small game preserves.] 



