Sure. 'Love Comes Softly' by Janette Oke is a well - loved frontier romance. It tells the story of a young woman who becomes a mail - order bride and finds love on the frontier. 'Calico Canyon' by Mary Connealy is also great. It has a feisty heroine and a hero with a past, and their love story unfolds against the backdrop of a frontier town. And 'A Bride for Tom' by Ruth Ann Nordin is a sweet frontier romance novel with interesting characters and a heartwarming plot.
I would recommend 'The Outlander' series by Diana Gabaldon. While it spans different times and places, it has a strong frontier - like feel in some of its settings, especially in the early American colonies. The romantic relationship between the main characters is complex and full of passion. 'The Man from Snowy River' by Banjo Paterson is another one. It's based on Australian frontier life and has a beautiful love story intertwined with the harshness of the frontier environment.
One popular frontier romance novel is 'Riders of the Purple Sage' by Zane Grey. It has a great blend of action and romance set in the wild west frontier. Another is 'These Old Shades' by Georgette Heyer. It's not strictly a frontier in the traditional sense, but has elements of a different kind of frontier - the French court, and a very engaging romantic plot. Also, 'The Virginian' by Owen Wister is a classic that portrays a wonderful frontier love story.