. . "H. G. F. Halfeld" . "Fernando" . "H." . "Halfed" . "Halfeld, H. G. F. (Henrique Guilherme Fernando)" . "Guilherme Fernando"@en . "Halfed" . . "Henrique"@en . "Fernando Halfeld" . "1797-02-23" . "Wilhelm Ferdinand" . . "Heinrich Wilhelm Ferdinand Halfeld"@en . "Heinrich Wilhelm Ferdinand Halfeld" . "deutscher Ingenieur" . . "http://www.wikidata.org/entity/Q6581097" . "Halfeld"@en . . "Henrique Guilherme Fernando Halfed" . . "Henrique Guilherme Fernando Halfeld"@en . . . "1873-11-22" . "G. F." . "Henrique Guilherme Fernando HALFELD" . . "HALFELD" . "Heinrich" . "Halfeld"@pt-PT . . "H. G. F. Halfeld" . . "H.G.F. Halfeld"@nl-NL . .