Report of the Director-general including the reports of bureaus of administration

Enemies or allies? : Henry George and Francis Amasa Walker one century later

Whitaker, John, (1997)

Controversy and demarcation in early-twentieth-century demography : the rise and decline of Walker's theory of immigration and the birth rate

Prevost, Jean-François, (1998)

Reports of the President, Secretary, and Executive Committee

Walker, Francis Amasa, (1880)