hi pauline, not sure if you've come across these links before from dr sears
can't pump enough milk, http://www.askdrsears.com/html/2/T026700.asp
20 tips for working and breastfeeding, http://www.askdrsears.com/html/2/T025100.asp
Making more milk while working, http://www.askdrsears.com/html/2/T026800.asp
Whole list of breastfeeding answers, info - http://www.askdrsears.com/html/2/T020100.asp
can't pump enough milk, http://www.askdrsears.com/html/2/T026700.asp
20 tips for working and breastfeeding, http://www.askdrsears.com/html/2/T025100.asp
Making more milk while working, http://www.askdrsears.com/html/2/T026800.asp
Whole list of breastfeeding answers, info - http://www.askdrsears.com/html/2/T020100.asp