‘McCarthy is meticulous in presenting statistics … [and] eloquent … in the presentation and interpretation of specific personal “stories”. … [H]er book adds a further dimension that may well influence scholars far beyond Australasia … as a source of migration in its own right. … All students of international migration will benefit from McCarthy’s unveiling of an unfamiliar paper trail that invites us to reconstruct the movements and motives of a hitherto undocumented and “marginal” stratum. The fact that those identified as lunatics were at the margin of respectable society actually enhances their historical interest, providing extreme illustrations of issues that united and divided societies at large.’David Fitzpatrick, Immigrants and Minorities.