$a Testen im Sprachunterricht / Robert Lado. - München, 1971.
670
$a LCN'1996
670
$a Tesoro hispanico / Lado [et al.]. - New York, 1969.
670
$a LCA online
670
$a Scientific and humanistic dimensions of language : Festschrift for Robert Lado on the occasion of his 70th birthday on May 31, 1985. - Amsterdam ; Philadelphia, 1985.