TY - BOOK ED - Arthur Wiesenberger & Company. ED - Wiesenberger Financial Services. ED - Arthur Wiesenberger Services. TI - Investment companies AV - HG4530 .I5 PY - 1944///- CY - New York PB - Arthur Wiesenberger & Co. KW - Mutual funds KW - United States KW - Periodicals KW - Local N1 - Some volumes accompanied by supplements, i.e., Investment company management results to ...; Investment company management results (closed-end companies) to ...; Investment company management results (open-end companies) to ...; Investment company portfolios; Mutual fund management results to ...; Investment company management results (mutual funds) to ...; and, Management results ER -