Houston Astros - Wikipedia
Set Building – Page 2 – SABR's Baseball Cards Research Committee
The 24 best players in Houston Astros history
Bob Watson, former Astros star, dead at age 74
Lot Detail - 1975 Bob Watson Houston Astros Game-Used Home Jersey
Lot Detail - Bob Watson Game Used/Worn 1973 Houston Astros Jersey
Topps in 1972, Part 1 – SABR's Baseball Cards Research Committee
Bob Watson Jersey - Houston Astros 1971 Home Throwback MLB
Where Yuli Gurriel ranks: Top 5 first basemen in Astros history
Cardboard appreciation: 1981 Topps 1980 NL Championships
Bob Watson Houston Astros Baseball Sports Trading Cards
I shouldn't be buying new stuff anymore
Lot Detail - 1973 Bob Watson Houston Astros Game-Used Road Jersey