Lockheed L-209-1-1 Parasite Bomber general arrangement drawn 1/18/51 found on eBay.
Source:
http://www.ebay.com/itm/Vtg-1951-Lockheed-L-209-Parasite-Bomber-AIRCRAFT-Technical-DRAWING-Blueprint-1-/380828107003
Source:
http://www.ebay.com/itm/Vtg-1951-Lockheed-L-209-Parasite-Bomber-AIRCRAFT-Technical-DRAWING-Blueprint-1-/380828107003