00274nam a2200097Ia 4500008004100000082001400041100001800055245008400073260000900157300001000166190415s9999    xx            000 0 und d  aRA.0116-1  aAgrawal, Usha 0aHistorical route network from Delhi to Lahore 1550-1850 A.D. : A methodological  c1981  a320p.