A New Synonym of Trichostomum arcticum KaalFrisvoll · BioOne (Dutch Bryological and Lichenological Society and Nordic Bryological Society)1982PDF130 KB
Concordance to Wittgenstein's Philosophische Untersuchungenby Hans Kaal; Alastair McKinnonBlack · Computers and the Humanities1976PDF519 KB
Concordance to Wittgenstein's ‘Philosophische Untersuchungen’by H. Kaal; A. MckennonD'hert · Tijdschrift voor Philosophie1977PDF305 KB
Concordance to Wittgenstein's Philosophische Untersuchungenby Hans Kaal; Alastair McKinnonBirnbacher · Mohr Siebeck1978PDF325 KB
Barbilophozia atlantica (Kaal.) K. Müll. in BritainFitzgerald · Transactions of the British Bryological Society1962PDF304 KB
Barbilophozia atlantica(Kaal.) K Müll. in the Iberian PeninsulaInfante · Journal of Bryology1998PDF420 KB
Philosophical and Mathematical Correspondenceby Gottlob Frege; Gottfried Gabriel; Brian McGuinness; Hans KaalReix · Presses Universitaires de France1982PDF221 KB
