Strawbsweb specifically does not recommend any of these outlets and takes no responsibility for any problems which may arise in online purchasing.
E-Bay has a large number of Strawbs items with more appearing every day.
Amazon carries many Strawbs items both new and second hand.
CD Universe has loads of Strawbs stuff in stock.
Primarily a site which allows users to upload details and images of album releases, it also has a marketplace function for buying and selling.
Music Stack is a great source of old Strawbs vinyl.
GEMM closed in 2015