The Evolution of Pollen Tetrads in OnagraceaeJohn J. Skvarla, Peter H. Raven and J. Praglowski · American Journal of Botany · 1975

The North European Pollen Flora, IIIJ. Praglowski; B. Raj · 1983

In Memoriam O.G.E. (Gunnar) ErdtmanS. Nilsson; J. Praglowski · 1973

Reticulate and Allied ExinesPraglowski, J. · Grana · 1971

An Introduction to a Scandinavian Pollen FloraErdtman, G.; Berglund, B.; Praglowski, J. · Grana Palynologica · 1961

Winteraceae pollen from the miocene of the southwestern cape (south africa)Coetzee, J. A.; Praglowski, J. · Grana · 1988

Ludwik Gumplowicz: A Forgotten Classic of European SociologyAdamek, W.; Radwan-Praglowski, J. · Journal of Classical Sociology · 2006

THE EVOLUTION OF POLLEN TETRADS IN ONAGRACEAESkvarla, John J.; Raven, Peter H.; Praglowski, J. · American Journal of Botany · 1975

Pollinium structure in periplocoideae (apocynaceae)Verhoeven, Rudolf L.; Venter, Hendrik J. T. · Grana · 1998

The elasticity of the exineRowley, John; Skvarla, John · Grana · 2000

On some pollen morphological conceptsPraglowski, Joseph; Raj, Bhoj · Grana · 1979

Pollen analysis of <i>Agathirsia</i> waspsJones, Gretchen D.; Pucci, Thomas M. · Grana · 2012

Pollen ultrastructure of the PontederiaceaeSimpson, Michael G. · Grana · 1987

Pollen Morphology of the NyctaginaceaeNowicke, Joan W.; Luikart, Terry J. · Grana · 1971

Pollen morphology in the trimeniaceaeSampson, F. B.; Endress, P. K. · Grana · 1984

Pollen morphological studies in the MalvaceaeChristensen, Pia Bro · Grana · 1986