Swallow, an almanack for the yeare of our Lord God 1638 : being the second after bissextile or leap-yeare, and from the vvorlds creation 5587 : calculated properly for the famous universitie and tovvn of Cambridge, but may indifferently serve for any other place within this kingdome. - Swallow, Thomas. (Printed by the printers to the Universitie of Cambridge, 1638)