Cover Crops for Porto Rico (Classic Reprint)

Vanilla: A Promising New Crop for Porto Rico (Classic Reprint)

Suggestions on Coffee Planting for Porto Rico (Classic Reprint)

Report of the Commissioner of the Interior for Porto Rico (Classic Reprint)

Citrus Culture in Porto Rico (Classic Reprint)

Experiments With Fertilizers for Coffee in Porto Rico (Classic Reprint)

The Leguminosae of Porto Rico (Classic Reprint)