GameFAQs - Contains information and a message board. - http://www.gamefaqs.com/portable/ds/data/926849.html
Nintendo DS Advanced - Preview, by John Swisshelm: "Puppy Times, while not everyone’s cup-o-tea, will surely please pet sim fans as well as gamers looking for something cute and different." - http://ds.advancedmn.com/article.php?artid=1377
IGN - Offers news, screenshots, previews, and videos. - http://ds.ign.com/objects/695/695663.html
GameSpy DS - Information and screenshots. - http://gba.gamespy.com/nintendo-ds/nintendogs/