Victor van Wulfen has published a guide to the Dunlop objects.
It is available at
http://www.clearskies.eu/purchase/purchase.htm
Victor is selling the following 12 guides.
- Messier, sequentially, by constellation or sorted for a Messier marathon
- Lacaille, sequentially or by constellation
- Dunlop, by constellation
- Herschel 400, by constellation
- Herschel II, by constellation
- Caldwell, sequentially or by constellation
- Bennett, sequentially or by constellation
- Palomar Globular Clusters, sequentially or by constellation
- Terzan Globular Clusters, sequentially or by constellation
- Carbon Stars, by constellation, "all sky" or by hemisphere and by telescope aperture: 5-6", 8-10" or 12"
- Globular Clusters, by constellation, "all sky" or northern hemisphere and by telescope aperture: 5-6", 8-10" or 12"
- Planetary Nebulae, by constellation, "all sky" or by hemisphere and by telescope aperture: 5-6", 8-10" or 12"