Index of /ens/feldstein/Harvard Library Sources/Historical US Statistics
Parent Directory
Military personnel and casualties by branch 1775-1991/
Productivity_Technology Measures/
US Airforce battle campaigns 1916-1991/
US Army battle campaigns 1775-1995/
US Navy battle campaigns 1776-1995/
Apache/2.4.46 (FreeBSD) PHP/7.4.16 OpenSSL/1.1.1h-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.11 Perl/v5.32.0 Server at data.nber.org Port 80