Post-it note with handwritten message in green marker. The message reads: "Hate is not welcome anywhere."

One-page flyer with typed text in multiple colors. Lists featured scholars and presenters for conference. Footer contains logos of sponsoring organizations.

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "Dear friend, I am so joyful that you exist! As the well-loved child of God, you have an infinite worth and deserve so much love. My prayer is that you begin or continue to understand this throughout your life. May your life continue to be blessed. I love you! Love, Your friend from the Church at Severn Run."

Post-it note with handwritten message in blue marker. The message reads: "Love and solidarity from the Bay Area."

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of a haloed dove flying in front of Noah's ark. The sender added four colored rectangles inscribed with the following messages: "Mandy [last name redacted] LOVE everyone" and "Shine Bright with Love." The inside reads: "Wishing you a very peaceful life with people who love and care about your loss. Have a happy holiday(s)! From: Mandy [last name redacted]. To: You."

Post-it note with handwritten message in black marker. The message reads: "Love is stronger than hate." Signed with a heart.

Card painted with blue paint on the front. The words "Tree of Life" and several Stars of David, hearts, and five-pointed star were drawn with marker. A smiley face sticker was placed on the bottom left edge. An orange sticky note in the shape of a twelve-pointed star with the words "Strength and Unity for ALL" was placed in the center. The back of the card contains the words "Thoughts and Prayers for ALL" on the left, accompanied by illustrations of Stars of David, hearts, and five-pointed stars.

Metallic red rose with wire stem attached to a rock base.

Card from the Friendship Circle of Illinois. The front cover reads: "To: The Jewish Community of Pittsburgh. From: Yisroel [last name redacted], Chicago IL." The inside reads: "I feel so sad for you. My hachlata (resolution) is to give 3 cents instead of 1 or 2 cents. You should have everything you need. And Hashem (God) should give you all that you need." Spelling errors have been corrected for clarity.

Note from a member of The Church at Severn Run in Severn, Maryland. The note is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside contains a quote from 1 Peter 4:3 about love and a prayer for God's love. The church's contact information is included on the back of the envelope.

Handwritten note written in black marker on recycled paper. The note reads: "Blessed are those that mourn for they shall be comforted. We grieve with you. Squirrel Hill Neighbors." Tearing due to exposure to the elements at the Wilkins memorial. The back of the note has the silhouette of a box with two circles on a grey background.

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Folded card with marker and colored pencil illustrations. Front and back both feature Stars of David encircled by hearts. Inside shows a tree, labeled "a living tree" signed "from Milo".

Note from a member of The Church at Severn Run in Severn, Maryland. The note is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside contains messages of condolence and love. The church's contact information is included on the back of the envelope.

Card addressed to Melvin Wax. Cover features a reproduction of a painting by Frank Crosby, a resident of the Emmaus Community of Pittsburgh. The inside contains messages of love and support written by other members of the Emmaus Community.

Card from the Friendship Circle of Illinois. The front of the card reads: "To the Jewish community of Pittsburgh sheyichyu (may they live)." The inside reads: "I have [heard] about the terrible news that happened and I feel very very bad for you. I hope moshiach (the Messiah) should come now so we could join with them now!!!" Multiple stars of David and smiley faces are integrated into the text of this card. Spelling errors corrected for clarity.

Card with colored pencil and marker illustration. When opened, the card shows a tree in the center with a cross on top of a yellow circle in the center left. It is inscribed with the following message: "The tree of life where more life can come to be bet[t]er" and is signed "Samuel [last name redacted]. Risd TX."

Laminated printed signs in blue and green ink on paper. The signs urge the reader to "Show solidarity" and "stand up for our common values, today tomorrow and always." An illustration of three stylized people raising their hands appears in the upper center, surrounded by the words: "Kindness, Respect, Courage."