1880-1927 1897-1978 1898-1981 1898-1990 1898-1994 1898-1995 1913-1994 1914-1918 1917-1963 1939-1945 194 1960 20thcentury aerialoperations airpilots alfred alonso andré arnolda artcollectionskoerner bibliography biography boxers(sports) british campaigns capitalistsandfinanciers cecil china cole congresses correspondence correspondencelewis countrylife criticismandinterpretationbove cyriledward d?maso demographers descriptionandtravel economists election emmanuel equipmentandsupplies european france friedrich gene georgef germanlanguage germany gilrobles gouhier greatbritain guenther healthnixon henrigaston history historyruhr-consultinggmbh horticulturists hutschnecker investmentbanking job john josémaría journeysbarbour journeyscritchell-bullock journeyshornby judd kennedy koernercollectionofeuropeanceramics legislators mauer mediterraneanregion meyer military missionaries modern neptuneii(ship) newfoundland nikolaĭvasilʹevich oregon personalnarratives philosophy plantbreeding politicalcampaigns politicsandgovernment porcelain pottery presidentialcandidates presidents privatecollections privateinvestigators psychologynixon reinhardt rohland sauvy shipcaptains sociallifeandcustoms soldiers southafrica southafrican sovietunion statisticians steelindustryandtrade surgeons surgery travelcritchell-bullock travelhornby tunney t͡sit͡sin t︠s︡it︠s︡in unitedstates walker walsh walter walterc walterh walterhenry westernfront worldwar