Name	Last modified	Size	Description
	Parent Directory		-
	MIDWEST.WK1	1991-09-25 13:10	25K
	NORTHEAS.WK1	1991-09-25 12:41	20K
	SOUTH.WK1	1991-09-25 13:11	22K
	WEST.WK1	1991-09-25 13:13	23K

Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3 Server at data.nber.org Port 443