00980nam 2200337Ia 450 99640902290331620220121163010.0ocn951968140(CKB)4940000000597846(OCoLC)951968140(OCoLC)ocn951968140(OCoLC)9930273200971(EXLCZ)99494000000059784620160621d1688 uy |engurbn#|||a|bb|AA [government cipher][electronic resource][London s.n.1688]1 sheet ([1] p.)Title devised by cataloger.Place and date of publication suggested by Wing (2nd ed., 1994).Ms. notes throughout.Reproduction of original in: Yale University Library.Ciphers.rbgenrScience and mathematicsUMIUMIBOOK996409022903316Aa81128UNISA