- Vintage Cardboard - Specializing in buying and selling pre WWII Baseball cards and collectibles. PCL items, Tobacco cards, and scorecards. Reference areas, newsletter, and auctions.
- My Phillies Heaven - Philadelphia Phillies history shown through baseball cards.
- Caramel-Cards.com - Early candy and gum baseball cards.
- Babe Ruth Baseball Cards - Babe Ruth baseball card information, pictures, and checklists.
- Astros Baseball Cards - Houston Astros baseball card collecting blog.
- Teddy's Baseball Corner - Information on up and coming baseball prospects and the cards on which they appear.
- Old Cardboard - Vintage baseball card reference data, set checklists, galleries, and more.
- David Justice 1/1 Sports Cards - A personal collection of rare and unique cards.
- The Baseball Card Blog - Baseball card industry analysis.
- Hot Prospects - Baseball card prospecting resource which features information and analysis on several hundred different MLB and MiLB prospects.
- The Mojo Beard - Two collectors share their hobby related experiences and opinions.
- Baseball Cards Come to Life - Highlights unique and entertaining baseball card photography.
- bdj610's Topps Baseball Card Blog - Topps baseball card reviews and general collecting commentary.
- Baseball Card Boy - Documents the experiences and opinions of a baseball card collector who has returned to the hobby after an extended absence.
- The Golden Age of Baseball Cards - A site dedicated to vintage baseball cards of the 1950s and 1960s.
- Stephen Strasburg Baseball Card Fan Frenzy - Visual baseball card checklist, shopping guides, collecting tips, and news.
- MickeyMantleBaseballCards.net - Vintage Mickey Mantle baseball card information.
- Blue Heaven - A Los Angeles Dodgers fan's pursuit of interesting Dodgers cards.
- Cardpricer - Real time online price guide for rare and hard to find baseball cards.
- Cards on Cards - St. Louis Cardinals baseball card collecting commentary.
- Card Collector Universe - Baseball card news and information.
- Matt Williams Master Collector - Personal collection of cards and other memorabilia.
- Jeff's Baseball Card Collection - A searchable database of one collector's baseball card collection.
- Baseball Cards from the '60s - Personal collection of vintage cards.
- New York Yankee Baseball Cards - New York Yankees baseball card information and set checklists ranging from the early 1900's through 1993.
- Jason Heyward Baseball Cards - Jason Heyward baseball card checklists, buying guides, market trends, videos, and player news.
- Nachos Grande - Cincinnati Reds fan's blog detailing his experiences as a baseball card collector.
- Community Gum - Two collectors rediscover their youth through collecting and blogging about baseball cards.
- 1952 Topps Baseball Cards - History of the 1952 topps Baseball Card set. Complete checklist and images of all players comprising the entire set. Also, 1952 Topps style cards of Ted Williams, Stan Musial and Joe DiMaggio.
- 25 Years of Baseball - Exploring 25 years of Topps baseball cards one pack at a time.