The name Rabbi Aaron Teitelbaum caught my eye. He must be http://www.hebrewbooks.org/pdfpager.aspx?req=2714&st=&pgnum=65
Mine too. See: http://libfindaids.yu.edu:8082/xtf/view?docId=ead/crc14/crc14.xml;query=;brand=default
I'm guessing that he's the same one from the Harry Fischel Institute in Jerusalem connected to Rav Kook and which Saul Lieberman later headed.
More on Rabbi Aaron TB can be found here:http://www.tidhar.tourolib.org/tidhar/view/12/4115He was very instrumental in the US Central Relief efforts, here is a great source on that, with some fascinating photos:http://www.archive.org/stream/fouryearsofrelie00enge#page/n3/mode/2up
And the one for whom the old Beis Medrash of YU is also named.What's $10 in 2013 dollars?
Okay, ten dollars back then had the buying power of $229 today. Not too crazy.