These two maps of the Islas Santanilla (or Swan Islands as they are better known in English) were published in 1971 by the Instituto Geográfico Nacional of Honduras.
1-1 1971 Islas Santanilla o de El Cisne 
1-2 1971 Islas Santanilla o de El Cisne
Maps of eight cities in Honduras, including Tegucigalpa, can also be downloaded from TROPICARTA (requires Chomikuj account).