This gift of 162 manuscripts relating to the history and culture of Spanish America was made by one of my constituents. Hans P. Kraus. of Ridgefield. Conn. Mr. Kraus. who owns a rare book firm in New York City and who came to the United States from Vienna in 1939. explained: This is a modest token of my gratitude and sincere thanks to the United States. a great nation whose hospitality and spirit of freedom and equality have made it possible for me. once a poor refugee. to attain a decent place in free human society. This warm tribute to our country and to our National Library is indeed gratifying. We owe a debt of gratitude to Mr.