"Finance, Personal Netherlands." . . "Einkommen." . . "Einkommenssicherung." . . "Finance, Personal." . . "Niederlande" . . "Netherlands." . . "Niederlande." . . "Old age pensions Netherlands." . . "Older people Social conditions Netherlands." . . "Nederland." . . "1880-1940" . . "Sociaal-economische aspecten." . . "Altenpolitik." . . "Old age pensions." . . "Older people Social conditions." . . "Older people Economic conditions." . . "Geschichte 1880-1940." . . "Older people Economic conditions Netherlands." . . "Geschichte." . . "Alter." . . . . . . "Sociaal-economische aspekten van het ouder zijn" . . . . . . . . . . . . . . . . . . . . . "The social economics of old age : strategies to maintain income in later life in the Netherlands, 1880-1940"@en . . "The social economics of old age : strategies to maintain income in later life in the Netherlands, 1880-1940" . . . . . . . . . . "The social economics of old age : strategies to maintain income in later life in the Netherlands 1880-1940" . . . . . . "Proefschriften (vorm)" . . . "Retirement income." . . "Inkomen." . . . . "Retirement income Netherlands." . . "Alterssicherung" . .