letterlust:
His 1st stayer champions
letterlust:
Stayer Henk Alkema and pacer Frits Wiersma 1936
letterlust:
Henk Alkemade (2) World Championship 1936
letterlust:
Henk Alkemade (1) Dutch National Stayers Championship 1936
letterlust:
Henk Alkema around 1937