UK NHS breastfeeding website Good tips for positioning and getting a good latch. Lots of evidence based research and more.
Kraamzorg with breastfeeding support Mum's recommended Sharron as their lactation consultant. She runs breastfeeding classes in English. Being an Aussie herself but living her for 28 years she understands the difficulties expatriates face. She is based in The Hague.
Mums also recommended I was quite happy with Karin Tiktak: www.lactatiekundige.info She has a practice in Rijswijk.