Historical clue formulations

• See 28-Across — 2018-09-10
• Apt word to follow each row of circled letters — 2018-01-23
• Rancher's land — 2011-12-28
• Butter or mayo — 2011-10-04
• Mayo or cream cheese — 2011-07-25
• Difference between winners and losers? — 2010-08-14
• Roll top? — 2008-09-26
• Bettor's concern — 2005-05-22
• Butter or oleo — 2003-03-11
• Two-page ad — 2002-10-29
• The Ponderosa, e.g. — 2000-01-21
• Magazine feature — 1999-12-24
• Oddsmaker's figure — 1999-11-10
• Farmer's land — 1997-05-28
• Holiday meal, informally — 1997-01-11
• Ranch — 1994-07-04
• Difference between prices bid and asked — 1994-06-05