Yes, "A guidebook to United States coins", commonly known as the "red book" to collectors, has values of all of the Morgan dollars. There are also guide books to different die varieties of Morgan dollars but most of them don't have up-to-date pricing information.
US Trade dollars have more silver in them than Morgan dollars do. But in general the Morgans have higher values.
Retail values for circulated 1890 Morgan Dollars are $17.00-$28.00 depending on grade.
Of all the Morgan dollars the 1921 coins are the highest mintage most common. Regardless of mintmarks, values for circulated coins are $16.00-$19.00.
The coins are worth about $26.00 just for the silver. The collectible values depend on the date, mintmark's and condition of the coin's.
The last Morgan dollar was struck in 1921. The dates 1922 & 1923 are Peace dollars and both have the same values of $16.00-$19.00 for circulated coins.
Definitely. The Morgan series was minted from 1878 to 1904 and again in 1921. Please see the Related Question for values.
Of all the Morgan dollars the 1921 coins are the highest mintage most common. Regardless of mintmarks, values for circulated coins are $22.00-$25.00.
A simple answer is the 1893, 1895 & 1903 Morgan dollars from the New Orleans Mint typicaly have the highest values.
If you are referring to the Eisenhower and Anthony dollars of the 1970s, they're only worth face value. If you're referring to the much older Peace and Morgan dollars, these were made of silver and their values depend on the price of silver, how worn the coins are, what their dates are, and where they were minted. They have a minimum value of $25 to $30. Here are links to values of Peace and Morgan dollars:
The 1921 Morgan is the highest mintage, most common of all Morgan dollars. Retail values are $25.00-$45.00 for a average Mint State coin.
Of all the Morgan dollars the 1921 coins are the highest mintage most common. Regardless of mintmarks, values for circulated coins are $16.00-$19.00.
Of all the Morgan dollars, the 1921 coins are the highest mintage most common. Regardless of mintmarks, values for circulated coins are $31.00-$40.00.