Regarding George Reid's article on solar variations and climate change (Eos, January 12, 1993), we note the ongoing controversial discussion between two groups of scientists on the existence of the so-called Maunder-Minimum. One group includes research by Silverman  and Eddy . The second includes scientists whose papers we consider more “critical,” for example, Landsberg , Gleissberg , Legrand et al. , and Schroder . By critical papers, we mean those that cite more original literature and present a more objective investigation of solar-terrestrial variability [cf., Legrand et al., 1990]. We suggest that some authors overlook critical papers; for example, none were cited by Silverman .